Many US Tourists Do Not Know About The Health Risks When Traveling In Poor Countries.
About half of the 30 million Americans who journey each year to lower-income countries aspire recommendation about potential health risks before heading abroad, immature research shows. The survey of more than 1200 international travelers departing the United States at Boston Logan International Airport found that 38 percent were traveling to low- or middle-income nations. Only 54 percent of those travelers sought healthfulness guidance latest to their trip, and foreign-born travelers were the least likely to have done so, said the Massachusetts General Hospital researchers.
Lack of shtick about potential health problems was the most commonly cited reason for not seeking robustness information before departure to a poorer nation. Of those who did try to find health report about their destination, the Internet was the most common source, followed by primary-care doctors, the study authors found.
Wednesday 30 December 2015
Tuesday 29 December 2015
To Alleviate Pain Associated With Arthritis Should Definitely Exercise
To Alleviate Pain Associated With Arthritis Should Definitely Exercise.
Patients with knee or in osteoarthritis traveller better if they continue to do their physical therapy exercises after completing a supervised perturb therapy at a medical facility, new research indicates. The Dutch chew over also found that arthritis patients reported less pain, improved muscle strength and a better range of change when they followed their provider's recommendations for overall exercise (such as walking) and a physically active lifestyle - a desirable that improved the long-range effectiveness of supervised therapy.
The findings, reported online and in the August etching issue of Arthritis Care & Research, stem from work conducted by a team of researchers led by Martijn Pisters of the Netherlands Institute for Health Services Research and the University Medical Center Utrecht in the Netherlands. The meditate on authors esteemed in a news release from the journal's publisher that the World Health Organization deems osteoarthritis (OA) to be one of the 10 most disabling conditions in the developed world.
Four in five OA patients have decrease limitations, the WHO estimates, while one-quarter cannot bargain in the reasonable routines of daily living - an ordeal for which physical therapy is often the prescribed short-term remedy. To assess how well patients do after supervised therapy, Pisters and his colleagues tracked 150 wise and/or knee OA patients for five years.
Patients with knee or in osteoarthritis traveller better if they continue to do their physical therapy exercises after completing a supervised perturb therapy at a medical facility, new research indicates. The Dutch chew over also found that arthritis patients reported less pain, improved muscle strength and a better range of change when they followed their provider's recommendations for overall exercise (such as walking) and a physically active lifestyle - a desirable that improved the long-range effectiveness of supervised therapy.
The findings, reported online and in the August etching issue of Arthritis Care & Research, stem from work conducted by a team of researchers led by Martijn Pisters of the Netherlands Institute for Health Services Research and the University Medical Center Utrecht in the Netherlands. The meditate on authors esteemed in a news release from the journal's publisher that the World Health Organization deems osteoarthritis (OA) to be one of the 10 most disabling conditions in the developed world.
Four in five OA patients have decrease limitations, the WHO estimates, while one-quarter cannot bargain in the reasonable routines of daily living - an ordeal for which physical therapy is often the prescribed short-term remedy. To assess how well patients do after supervised therapy, Pisters and his colleagues tracked 150 wise and/or knee OA patients for five years.
Saturday 26 December 2015
Laser Cataract Surgery More Accurate Than Manual
Laser Cataract Surgery More Accurate Than Manual.
Cataract surgery, already an darned non-poisonous and successful procedure, can be made more precise by combining a laser and three-dimensional imaging, a untrodden study suggests. Researchers found that a femtosecond laser, used for many years in LASIK surgery, can edit into delicate eye tissue more cleanly and accurately than manual cataract surgery, which is performed more than 1,5 million times each year in the United States. In the in touch procedure, which has a 98 percent good rate, surgeons use a micro-blade to cut a circle around the cornea before extracting the cataract with an ultrasound machine.
The laser system uses optical coherence technology to customize each patient's orb measurements before slicing through the lens capsule and cataract, though ultrasound is still used to remove the cataract itself. "It takes some artistry and energy to break the lens with the ultrasound," explained induce researcher Daniel Palanker, an associate professor of ophthalmology at Stanford University. "The laser helps to bowl along this up and make it safer".
After practicing the laser procedure on pig eyes and donated benignant eyes, Palanker and his colleagues did further experiments to confirm that the high-powered, rapid-pulse laser would not cause retinal damage. Actual surgeries later performed on 50 patients between the ages of 55 and 80 showed that the laser adulterate circles in lens capsules 12 times more demanding than those achieved by the customary method. No adverse effects were reported.
The study, reported in the Nov 17, 2010 issuance of Science Translational Medicine, was funded by OpticaMedica Corp of Santa Clara, Calif, in which Palanker has an tolerance stake. The results are being reviewed by the US Food and Drug Administration, while the laser technology, which is being developed by several confidential companies, is expected to be released worldwide in 2011.
Cataract surgery, already an darned non-poisonous and successful procedure, can be made more precise by combining a laser and three-dimensional imaging, a untrodden study suggests. Researchers found that a femtosecond laser, used for many years in LASIK surgery, can edit into delicate eye tissue more cleanly and accurately than manual cataract surgery, which is performed more than 1,5 million times each year in the United States. In the in touch procedure, which has a 98 percent good rate, surgeons use a micro-blade to cut a circle around the cornea before extracting the cataract with an ultrasound machine.
The laser system uses optical coherence technology to customize each patient's orb measurements before slicing through the lens capsule and cataract, though ultrasound is still used to remove the cataract itself. "It takes some artistry and energy to break the lens with the ultrasound," explained induce researcher Daniel Palanker, an associate professor of ophthalmology at Stanford University. "The laser helps to bowl along this up and make it safer".
After practicing the laser procedure on pig eyes and donated benignant eyes, Palanker and his colleagues did further experiments to confirm that the high-powered, rapid-pulse laser would not cause retinal damage. Actual surgeries later performed on 50 patients between the ages of 55 and 80 showed that the laser adulterate circles in lens capsules 12 times more demanding than those achieved by the customary method. No adverse effects were reported.
The study, reported in the Nov 17, 2010 issuance of Science Translational Medicine, was funded by OpticaMedica Corp of Santa Clara, Calif, in which Palanker has an tolerance stake. The results are being reviewed by the US Food and Drug Administration, while the laser technology, which is being developed by several confidential companies, is expected to be released worldwide in 2011.
Sociologists Have Found New Challenges In Cancer Treatment
Sociologists Have Found New Challenges In Cancer Treatment.
Money problems can slow women from getting recommended heart cancer treatments, a new study suggests Dec 2013. Researchers analyzed material from more than 1300 women in the Seattle-Puget Sound court who were diagnosed with breast cancer between 2004 and 2011. The purpose was to see if their care met US National Comprehensive Cancer Network care guidelines.
Women who had a break in their health insurance coverage were 3,5 times more in all probability than those with uninterrupted coverage to not receive the recommended care, the findings showed. Compared to patients with an annual species income of more than $90000, those with an annual family income of less than $50000 were more than twice as acceptable to not receive recommended radiation therapy. In addition, the investigators found that lower-income women were nearly five times more tenable to not receive recommended chemotherapy and nearly four times more appropriate to not receive recommended endocrine therapy.
Money problems can slow women from getting recommended heart cancer treatments, a new study suggests Dec 2013. Researchers analyzed material from more than 1300 women in the Seattle-Puget Sound court who were diagnosed with breast cancer between 2004 and 2011. The purpose was to see if their care met US National Comprehensive Cancer Network care guidelines.
Women who had a break in their health insurance coverage were 3,5 times more in all probability than those with uninterrupted coverage to not receive the recommended care, the findings showed. Compared to patients with an annual species income of more than $90000, those with an annual family income of less than $50000 were more than twice as acceptable to not receive recommended radiation therapy. In addition, the investigators found that lower-income women were nearly five times more tenable to not receive recommended chemotherapy and nearly four times more appropriate to not receive recommended endocrine therapy.
Friday 25 December 2015
Anaemia And Breast Feeding
Anaemia And Breast Feeding.
Although breast-feeding is typically considered the best respect to nourish an infant, new research suggests that in the long term it may lead to lower levels of iron. "What we found was that over a year of age, the longer the babe is breast-fed, the greater the risk of iron deficiency," said the study's intimation author, Dr Jonathon Maguire, pediatrician and scientist at Li Ka Shing Knowledge Institute at St Michael's Hospital at the University of Toronto in Canada. The study, released online April 15, 2013 in the catalogue Pediatrics, did not, however, come across a statistical relation between the duration of breast-feeding and iron deficiency anemia.
Anemia is a make ready in which the body has too few red blood cells. Iron is an important nutrient, especially in children. It is life-and-death for normal development of the nervous system and brain, according to background information included in the study.
Growth spurts multiply the body's need for iron, and infancy is a time of rapid growth. The World Health Organization recommends breast-feeding exclusively for the victory six months of life and then introducing complementary foods. The WHO endorses continued breast-feeding up to 2 years of duration or longer, according to the study.
Previous studies have found an federation between breast-feeding for longer than six months and reduced iron stores in youngsters. The aware study sought to confirm that link in young, wholesome urban children. The researchers included data from nearly 1650 children between 1 and 6 years old, with an so so age of about 3 years.
Although breast-feeding is typically considered the best respect to nourish an infant, new research suggests that in the long term it may lead to lower levels of iron. "What we found was that over a year of age, the longer the babe is breast-fed, the greater the risk of iron deficiency," said the study's intimation author, Dr Jonathon Maguire, pediatrician and scientist at Li Ka Shing Knowledge Institute at St Michael's Hospital at the University of Toronto in Canada. The study, released online April 15, 2013 in the catalogue Pediatrics, did not, however, come across a statistical relation between the duration of breast-feeding and iron deficiency anemia.
Anemia is a make ready in which the body has too few red blood cells. Iron is an important nutrient, especially in children. It is life-and-death for normal development of the nervous system and brain, according to background information included in the study.
Growth spurts multiply the body's need for iron, and infancy is a time of rapid growth. The World Health Organization recommends breast-feeding exclusively for the victory six months of life and then introducing complementary foods. The WHO endorses continued breast-feeding up to 2 years of duration or longer, according to the study.
Previous studies have found an federation between breast-feeding for longer than six months and reduced iron stores in youngsters. The aware study sought to confirm that link in young, wholesome urban children. The researchers included data from nearly 1650 children between 1 and 6 years old, with an so so age of about 3 years.
Weakening Of Control Heart Rhythm
Weakening Of Control Heart Rhythm.
Leading US cardiac experts have peaceful the recommendations for firm heart rate control in patients with atrial fibrillation, an bizarre heart rhythm that can lead to strokes. More lenient management of the condition is safe for many, according to an update of existing guidelines from the American College of Cardiology and the American Heart Association (AHA). Atrial fibrillation, stemming from unreliable beating of the heart's two loftier chambers, affects about 2,2 million Americans, according to the AHA. Because blood can clot while pooled in the chambers, atrial fibrillation patients have a higher jeopardize of strokes and humanitarianism attacks.
And "These new recommendations get ahead the many options we have available to treat the increasing number of people with atrial fibrillation," said Dr Ralph Sacco, AHA president and chairman of neurology at the University of Miami Miller School of Medicine. "Health-care providers and patients indigence to be conscious of the many more options we now have".
Under the additional recommendations, treatment will aim to keep a patient's heart rate at rest to fewer than 110 beats per itsy-bitsy in those with stable function of the ventricles, the heart's lower chambers. Prior guidelines stated that constricting treatment was necessary to keep a patient's heart rate at fewer than 80 beats per piddling at rest and fewer than 110 beats per transcribe during a six-minute walk.
So "It's really been a long-standing belief that having a lower heart dress down for atrial fibrillation patients was associated with less symptoms and with better long-term clinical outcomes and cardiac function," said Dr Gregg C Fonarow, a professor of cardiology at the University of California Los Angeles. "But that was not voter to a prospective, randomized trial".
Leading US cardiac experts have peaceful the recommendations for firm heart rate control in patients with atrial fibrillation, an bizarre heart rhythm that can lead to strokes. More lenient management of the condition is safe for many, according to an update of existing guidelines from the American College of Cardiology and the American Heart Association (AHA). Atrial fibrillation, stemming from unreliable beating of the heart's two loftier chambers, affects about 2,2 million Americans, according to the AHA. Because blood can clot while pooled in the chambers, atrial fibrillation patients have a higher jeopardize of strokes and humanitarianism attacks.
And "These new recommendations get ahead the many options we have available to treat the increasing number of people with atrial fibrillation," said Dr Ralph Sacco, AHA president and chairman of neurology at the University of Miami Miller School of Medicine. "Health-care providers and patients indigence to be conscious of the many more options we now have".
Under the additional recommendations, treatment will aim to keep a patient's heart rate at rest to fewer than 110 beats per itsy-bitsy in those with stable function of the ventricles, the heart's lower chambers. Prior guidelines stated that constricting treatment was necessary to keep a patient's heart rate at fewer than 80 beats per piddling at rest and fewer than 110 beats per transcribe during a six-minute walk.
So "It's really been a long-standing belief that having a lower heart dress down for atrial fibrillation patients was associated with less symptoms and with better long-term clinical outcomes and cardiac function," said Dr Gregg C Fonarow, a professor of cardiology at the University of California Los Angeles. "But that was not voter to a prospective, randomized trial".
Thursday 17 December 2015
Tax On Sweetened Drinks To Prevent Obesity
Tax On Sweetened Drinks To Prevent Obesity.
Taxing sodas and other sweetened drinks would follow-up in only token weight loss, although the revenues generated could be used to endorse obesity control programs, new research suggests. Adding to a spate of recent studies examining the smashing of soda taxes on obesity, researchers from Duke-National University of Singapore (NUS) Graduate Medical School looked at the crash of 20 percent and 40 percent taxes on sales of carbonated and non-carbonated beverages, which also included sports and fruit drinks, to each multifarious income groups. Because these taxes would simply cause many consumers to switch to other calorie-laden drinks, however, even a 40 percent assess would cut only 12,5 daily calories out of the average diet and effect in a 1,3 pound weight loss per person per year.
A 20 percent contribution would equate to a daily 6,9 calorie intake reduction, adding up to no more than 0,7 pounds departed per person per year, according to the statistical model developed by the researchers. "The taxes proposed as a antidote are largely on the grounds of preventing obesity, and we wanted to see if this would hold true," said examine author Eric Finkelstein, an associate professor of health services at Duke-NUS. "It's certainly a outstanding issue.
I assumed the effects would be modest in weight loss, and they were. I maintain that any single measure aimed at reducing weight is going to be small. But combined with other measures, it's flourishing to add up. If higher taxes get bodies to lose weight, then good".
As part of a growing movement to treat unhealthy foods as vices such as tobacco and liquor, several states in late-model years have pushed to extend sales taxes to the attain of soda and other sweetened beverages, which, like other groceries, are usually exempt from state sales taxes. Other motions have seemed to butt the poor, such as New York City Mayor Michael Bloomberg's proposition earlier this year to ban sugared drinks from groceries that could be purchased by residents on nutriment stamps.
Finkelstein's study, reported online Dec. 13 in the Archives of Internal Medicine, showed that steep soda taxes wouldn't impact weight among consumers in the highest and lowest return groups. Using in-home scanners that tracked households' store-bought aliment and beverage purchases over the course of a year, the data included information on the cost and number of items purchased by discredit and UPC code among different population groups.
Taxing sodas and other sweetened drinks would follow-up in only token weight loss, although the revenues generated could be used to endorse obesity control programs, new research suggests. Adding to a spate of recent studies examining the smashing of soda taxes on obesity, researchers from Duke-National University of Singapore (NUS) Graduate Medical School looked at the crash of 20 percent and 40 percent taxes on sales of carbonated and non-carbonated beverages, which also included sports and fruit drinks, to each multifarious income groups. Because these taxes would simply cause many consumers to switch to other calorie-laden drinks, however, even a 40 percent assess would cut only 12,5 daily calories out of the average diet and effect in a 1,3 pound weight loss per person per year.
A 20 percent contribution would equate to a daily 6,9 calorie intake reduction, adding up to no more than 0,7 pounds departed per person per year, according to the statistical model developed by the researchers. "The taxes proposed as a antidote are largely on the grounds of preventing obesity, and we wanted to see if this would hold true," said examine author Eric Finkelstein, an associate professor of health services at Duke-NUS. "It's certainly a outstanding issue.
I assumed the effects would be modest in weight loss, and they were. I maintain that any single measure aimed at reducing weight is going to be small. But combined with other measures, it's flourishing to add up. If higher taxes get bodies to lose weight, then good".
As part of a growing movement to treat unhealthy foods as vices such as tobacco and liquor, several states in late-model years have pushed to extend sales taxes to the attain of soda and other sweetened beverages, which, like other groceries, are usually exempt from state sales taxes. Other motions have seemed to butt the poor, such as New York City Mayor Michael Bloomberg's proposition earlier this year to ban sugared drinks from groceries that could be purchased by residents on nutriment stamps.
Finkelstein's study, reported online Dec. 13 in the Archives of Internal Medicine, showed that steep soda taxes wouldn't impact weight among consumers in the highest and lowest return groups. Using in-home scanners that tracked households' store-bought aliment and beverage purchases over the course of a year, the data included information on the cost and number of items purchased by discredit and UPC code among different population groups.
Tuesday 15 December 2015
Increased Risk Of Major And Minor Bleeding During Antiplatelet Therapy
Increased Risk Of Major And Minor Bleeding During Antiplatelet Therapy.
Risk of bleeding for patients on antiplatelet psychotherapy with either warfarin or a party of Plavix (clopidogrel) and aspirin is substantial, a redone study finds. Both therapies are prescribed for millions of Americans to interdict life-threatening blood clots, especially after a heart attack or stroke. But the Plavix-aspirin conjunction was thought to cause less bleeding than it actually does, the researchers say.
And "As with all drugs, these drugs come with risks; the most importance is bleeding," said lead author Dr Nadine Shehab, from the US Centers for Disease Control and Prevention (CDC). While the endanger of bleeding from warfarin is well-known, the risks associated with dual remedy were not well understood. "We found that the risk for hemorrhage was threefold higher for warfarin than for dual antiplatelet therapy. We expected that because warfarin is prescribed much more continually than dual antiplatelet therapy".
However, when the researchers took the billion of prescriptions into account, the gap between warfarin and dual antiplatelet group therapy shrank. "And this was worrisome". For both regimens, the number of hospital admissions because of bleeding was similar. And bleeding-related visits to predicament department visits were only 50 percent decrease for those on dual antiplatelet therapy compared with warfarin. "This isn't as big a difference as we had thought".
For the study, published Monday in the Archives of Internal Medicine, Shehab's yoke used national databases to pigeon-hole emergency department visits for bleeding caused by either dual antiplatelet therapy or warfarin between 2006 and 2008. The investigators found 384 annual exigency department visits for bleeding to each patients taking dual antiplatelet therapy and 2,926 annual visits for those taking warfarin.
Risk of bleeding for patients on antiplatelet psychotherapy with either warfarin or a party of Plavix (clopidogrel) and aspirin is substantial, a redone study finds. Both therapies are prescribed for millions of Americans to interdict life-threatening blood clots, especially after a heart attack or stroke. But the Plavix-aspirin conjunction was thought to cause less bleeding than it actually does, the researchers say.
And "As with all drugs, these drugs come with risks; the most importance is bleeding," said lead author Dr Nadine Shehab, from the US Centers for Disease Control and Prevention (CDC). While the endanger of bleeding from warfarin is well-known, the risks associated with dual remedy were not well understood. "We found that the risk for hemorrhage was threefold higher for warfarin than for dual antiplatelet therapy. We expected that because warfarin is prescribed much more continually than dual antiplatelet therapy".
However, when the researchers took the billion of prescriptions into account, the gap between warfarin and dual antiplatelet group therapy shrank. "And this was worrisome". For both regimens, the number of hospital admissions because of bleeding was similar. And bleeding-related visits to predicament department visits were only 50 percent decrease for those on dual antiplatelet therapy compared with warfarin. "This isn't as big a difference as we had thought".
For the study, published Monday in the Archives of Internal Medicine, Shehab's yoke used national databases to pigeon-hole emergency department visits for bleeding caused by either dual antiplatelet therapy or warfarin between 2006 and 2008. The investigators found 384 annual exigency department visits for bleeding to each patients taking dual antiplatelet therapy and 2,926 annual visits for those taking warfarin.
Tuesday 8 December 2015
Men And Women Suffer Heart Attacks Equally
Men And Women Suffer Heart Attacks Equally.
Men and women with unassuming feeling disease share the same risks, at least over the short term, a new examination suggests. Doctors have thought that women with mild heart disease do worse than men. This study, however, suggests that the pace of heart attacks and death among men and women with enthusiasm disease is similar. Meanwhile, both men and women who don't have buildup of plaque in their coronary arteries have the same favourable chance of avoiding severe heart-related consequences, said lead researcher Dr Jonathon Leipsic.
And "If you have a run-of-the-mill CT scan, you are not likely to have a heart approach or die in the next 2,3 years - whether you're a man or a woman," said Leipsic, chief honcho of medical imaging at St Paul's Hospital in Vancouver, British Columbia. That's an portentous new finding. Leipsic said the ability to use a CT scan to diagnose plaque in the coronary arteries enabled researchers to find out that the outcomes are the same for men and women, regardless of what other tests show or what other endanger factors patients have.
The results of the study were scheduled for presentation Tuesday at the annual union of the Radiological Society of North America, in Chicago. When the coronary arteries - the blood vessels that stock oxygen-rich blood to the heart - start building fatty deposits called plaque, coronary artery infection occurs. Over time, plaque may ruin or narrow the arteries, increasing the chances of a heart attack.
Dr Gregg Fonarow, a spokesman for the American Heart Association, said coronary artery bug is associated with both fatal and nonfatal sincerity episodes, even when a person's arteries aren't narrowed. Fonarow was not involved with the new research. The late study found similar increased risk for major adverse cardiac events in men and women, even after chance adjustment who is also a professor of cardiology at the University of California, Los Angeles.
Men and women with unassuming feeling disease share the same risks, at least over the short term, a new examination suggests. Doctors have thought that women with mild heart disease do worse than men. This study, however, suggests that the pace of heart attacks and death among men and women with enthusiasm disease is similar. Meanwhile, both men and women who don't have buildup of plaque in their coronary arteries have the same favourable chance of avoiding severe heart-related consequences, said lead researcher Dr Jonathon Leipsic.
And "If you have a run-of-the-mill CT scan, you are not likely to have a heart approach or die in the next 2,3 years - whether you're a man or a woman," said Leipsic, chief honcho of medical imaging at St Paul's Hospital in Vancouver, British Columbia. That's an portentous new finding. Leipsic said the ability to use a CT scan to diagnose plaque in the coronary arteries enabled researchers to find out that the outcomes are the same for men and women, regardless of what other tests show or what other endanger factors patients have.
The results of the study were scheduled for presentation Tuesday at the annual union of the Radiological Society of North America, in Chicago. When the coronary arteries - the blood vessels that stock oxygen-rich blood to the heart - start building fatty deposits called plaque, coronary artery infection occurs. Over time, plaque may ruin or narrow the arteries, increasing the chances of a heart attack.
Dr Gregg Fonarow, a spokesman for the American Heart Association, said coronary artery bug is associated with both fatal and nonfatal sincerity episodes, even when a person's arteries aren't narrowed. Fonarow was not involved with the new research. The late study found similar increased risk for major adverse cardiac events in men and women, even after chance adjustment who is also a professor of cardiology at the University of California, Los Angeles.
Athletes Often Suffer A Concussion
Athletes Often Suffer A Concussion.
Altitude may stir an athlete's endanger of concussion, according to a new study believed to be the first to examine this association. High school athletes who leeway at higher altitudes suffer fewer concussions than those closer to sea level, researchers found in Dec, 2013. One viable reason is that being at a higher altitude causes changes that frame the brain fit more tightly in the skull, so it can't move around as much when a player suffers a head blow. The investigators analyzed concussion statistics from athletes playing a distance of sports at 497 US exorbitant schools with altitudes ranging from 7 feet to more than 6900 feet above flood level.
The average altitude was 600 feet. They also examined football separately, since it has the highest concussion charge of US high school sports. At altitudes of 600 feet and above, concussion rates in all considerable school sports were 31 percent lower, and were 30 percent cut for football players, according to the findings recently published in the Orthopaedic Journal of Sports Medicine.
Altitude may stir an athlete's endanger of concussion, according to a new study believed to be the first to examine this association. High school athletes who leeway at higher altitudes suffer fewer concussions than those closer to sea level, researchers found in Dec, 2013. One viable reason is that being at a higher altitude causes changes that frame the brain fit more tightly in the skull, so it can't move around as much when a player suffers a head blow. The investigators analyzed concussion statistics from athletes playing a distance of sports at 497 US exorbitant schools with altitudes ranging from 7 feet to more than 6900 feet above flood level.
The average altitude was 600 feet. They also examined football separately, since it has the highest concussion charge of US high school sports. At altitudes of 600 feet and above, concussion rates in all considerable school sports were 31 percent lower, and were 30 percent cut for football players, according to the findings recently published in the Orthopaedic Journal of Sports Medicine.
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