New Treatments For Asthma.
Researchers claim they've discovered why infants who complete in homes with a dog are less likely to develop asthma and allergies later in childhood. The yoke conducted experiments with mice and found that exposing them to dust from homes where dogs live triggered changes in the community of microbes that actual in the infant's gut and reduced immune system feedback to common allergens. The scientists also identified a specific species of gut bacteria that's critical in protecting the airways against allergens and viruses that cause respiratory infections, according to the study published online Dec 16, 2013 in the Proceedings of the National Academy of Sciences.
While these findings were made in mice, they're also favoured to untangle why children who are exposed to dogs from the time they're born are less able to have allergies and asthma, the University of California, San Francisco (UCSF) and University of Michigan researchers said. These results also suggest that changes in the deep-seated bacteria community (gut microbiome) can influence immune function elsewhere in the body, said study co-leader Susan Lynch, an fellow professor in the gastroenterology division at UCSF.
Showing posts with label allergies. Show all posts
Showing posts with label allergies. Show all posts
Friday 27 December 2019
Monday 5 March 2018
Nuts Cause Allergies
Nuts Cause Allergies.
Women who lunch nuts during pregnancy - and who aren't allergic themselves - are less like as not to have kids with nut allergies, a new study suggests. Dr Michael Young, an ally clinical professor of pediatrics at Harvard Medical School, and colleagues unexcited data on more than 8200 children of mothers who took part in the Nurses' Health Study II. The women had reported what they ate before, during and after their pregnancies. About 300 of the children had aliment allergies. Of those, 140 were allergic to peanuts and tree nuts.
The researchers found that mothers who ate the most peanuts or tree nuts - five times a week or more - had the lowest jeopardize of their young gentleman developing an allergy to these nuts. Children of mothers who were allergic to peanuts or tree nuts, however, did not have a significantly cut risk, the examine found. The report was published online Dec 23, 2013 in the newsletter JAMA Pediatrics. The rate of US children allergic to peanuts more than tripled from 0,4 percent in 1997 to 1,4 percent in 2010, according to training poop included in the study.
Many of those with peanut allergies also are allergic to tree nuts, such as cashews, almonds and walnuts, the researchers said. "Food allergies have become epidemic," said Dr Ruchi Gupta, an colleague professor of pediatrics at the Northwestern University Feinberg School of Medicine. "Our own studies show that 8 percent of kids in the United States have a edibles allergy - that's one in 13, about two in every classroom," said Gupta, the inventor of an accompanying record editorial.
Yet why this growth is happening remains a mystery. "We do not have any evidence as to what is causing this increase in food allergy. It's some well-intentioned of genetic and environmental link". The new findings do not demonstrate or be established a cause-and-effect relationship between women eating nuts during pregnancy and lower allergy risk in their children. "The results of our bone up are not strong enough to make dietary recommendations for pregnant women.
Women who lunch nuts during pregnancy - and who aren't allergic themselves - are less like as not to have kids with nut allergies, a new study suggests. Dr Michael Young, an ally clinical professor of pediatrics at Harvard Medical School, and colleagues unexcited data on more than 8200 children of mothers who took part in the Nurses' Health Study II. The women had reported what they ate before, during and after their pregnancies. About 300 of the children had aliment allergies. Of those, 140 were allergic to peanuts and tree nuts.
The researchers found that mothers who ate the most peanuts or tree nuts - five times a week or more - had the lowest jeopardize of their young gentleman developing an allergy to these nuts. Children of mothers who were allergic to peanuts or tree nuts, however, did not have a significantly cut risk, the examine found. The report was published online Dec 23, 2013 in the newsletter JAMA Pediatrics. The rate of US children allergic to peanuts more than tripled from 0,4 percent in 1997 to 1,4 percent in 2010, according to training poop included in the study.
Many of those with peanut allergies also are allergic to tree nuts, such as cashews, almonds and walnuts, the researchers said. "Food allergies have become epidemic," said Dr Ruchi Gupta, an colleague professor of pediatrics at the Northwestern University Feinberg School of Medicine. "Our own studies show that 8 percent of kids in the United States have a edibles allergy - that's one in 13, about two in every classroom," said Gupta, the inventor of an accompanying record editorial.
Yet why this growth is happening remains a mystery. "We do not have any evidence as to what is causing this increase in food allergy. It's some well-intentioned of genetic and environmental link". The new findings do not demonstrate or be established a cause-and-effect relationship between women eating nuts during pregnancy and lower allergy risk in their children. "The results of our bone up are not strong enough to make dietary recommendations for pregnant women.
Monday 29 May 2017
Sometimes, Kissing Cases Of Allergic Reactions
Sometimes, Kissing Cases Of Allergic Reactions.
The orbit of fast love may not run smoothly for some people with highly sensitive allergies, experts say, since kissing or other imply contact can pose risks for sometimes serious reactions. In fact, allergens can temporize in a partner's saliva up to a full day following ingestion, irrespective of toothbrushing or other interventions, according to Dr Sami Bahna, president of the American College of Allergy, Asthma and Immunology (ACAAI), which is holding its annual congress this week in Phoenix. Allergic reactions from kissing are rather uncommon, but they do occur.
And "We're talking about those few whose unaffected system can react vigorously to a minute amount of allergen," famous Bahna, who also serves as chief of allergy and immunology at Louisiana State University Medical School in Shreveport. "For these people, yes, a very picayune quantity of food or medicine on the lips or the lips or the saliva can cause a problem. And for these people we're not just talking about a passionate kiss. Even a non-passionate brush on the cheek or the forehead can cause a severe reaction to this kind of extremely sensitive allergic individual".
The ACAAI estimates that more than 7 million Americans fall off from food allergies - about 2 percent to 3 percent of adults and 5 percent to 7 percent of children. It's not untypical for nation with allergies to experience a reaction in the form of lip-swelling, throat-swelling, rash, hives, itching, and/or wheezing intimately after kissing a partner who has consumed an identified allergen. Bahna said some praisefully sensitive people can be affected hours after their partner has absorbed the culprit substance, because the partner's saliva is still excreting allergen.
One adroit said that when it comes to preventing kissing-related allergic reactions, equitableness - and a little proactive guidance - is key. "People paucity to know that intimate contact with individuals who've eaten or consumed suspect foods or medicines can also cause problems," said Dr Clifford W Bassett, a clinical coach at New York University's School of Medicine, New York City, and an attending medical doctor in the allergy and immunology section of Long Island College Hospital. "So, for people with a significant food allergy it's always better to disport it safe by making sure that everyone knows that in all situations these foods are strictly off-limits".
The orbit of fast love may not run smoothly for some people with highly sensitive allergies, experts say, since kissing or other imply contact can pose risks for sometimes serious reactions. In fact, allergens can temporize in a partner's saliva up to a full day following ingestion, irrespective of toothbrushing or other interventions, according to Dr Sami Bahna, president of the American College of Allergy, Asthma and Immunology (ACAAI), which is holding its annual congress this week in Phoenix. Allergic reactions from kissing are rather uncommon, but they do occur.
And "We're talking about those few whose unaffected system can react vigorously to a minute amount of allergen," famous Bahna, who also serves as chief of allergy and immunology at Louisiana State University Medical School in Shreveport. "For these people, yes, a very picayune quantity of food or medicine on the lips or the lips or the saliva can cause a problem. And for these people we're not just talking about a passionate kiss. Even a non-passionate brush on the cheek or the forehead can cause a severe reaction to this kind of extremely sensitive allergic individual".
The ACAAI estimates that more than 7 million Americans fall off from food allergies - about 2 percent to 3 percent of adults and 5 percent to 7 percent of children. It's not untypical for nation with allergies to experience a reaction in the form of lip-swelling, throat-swelling, rash, hives, itching, and/or wheezing intimately after kissing a partner who has consumed an identified allergen. Bahna said some praisefully sensitive people can be affected hours after their partner has absorbed the culprit substance, because the partner's saliva is still excreting allergen.
One adroit said that when it comes to preventing kissing-related allergic reactions, equitableness - and a little proactive guidance - is key. "People paucity to know that intimate contact with individuals who've eaten or consumed suspect foods or medicines can also cause problems," said Dr Clifford W Bassett, a clinical coach at New York University's School of Medicine, New York City, and an attending medical doctor in the allergy and immunology section of Long Island College Hospital. "So, for people with a significant food allergy it's always better to disport it safe by making sure that everyone knows that in all situations these foods are strictly off-limits".
Tuesday 16 February 2016
Allergies Can Lead To Depression
Allergies Can Lead To Depression.
Allergy mellow may not mean just the absolute coughing, sneezing and itching, it could also significantly darken your mood. Researchers reported that finding at the American Psychiatric Association's annual convocation in New Orleans this week. "Depression is a very common disorder and allergies are even more common," said workroom author Dr Partam Manalai, in the department of psychiatry at the University of Maryland School of Medicine in Baltimore. "Allergies produce one more prone to worsening mood, cognition and blue blood of life".
A large peak in pollen particles floating in the air occurs in the spring, with a smaller summit in the fall. This coincides with a worldwide spike in suicides every spring and a disgrace peak in the fall. To explore this relationship, Manalai and his colleagues recruited 100 volunteers from Baltimore and Washington, DC, who had dominant depression. About half were allergic and half were not allergic to trees and/or ragweed pollen.
Volunteers were evaluated during both high-pollen ripen and low-pollen season, and also had levels of their IgE antibodies (a system of sensitivity to allergens) measured. This is believed to be the first place study to link actual IgE measurements with depression scores.
Allergy mellow may not mean just the absolute coughing, sneezing and itching, it could also significantly darken your mood. Researchers reported that finding at the American Psychiatric Association's annual convocation in New Orleans this week. "Depression is a very common disorder and allergies are even more common," said workroom author Dr Partam Manalai, in the department of psychiatry at the University of Maryland School of Medicine in Baltimore. "Allergies produce one more prone to worsening mood, cognition and blue blood of life".
A large peak in pollen particles floating in the air occurs in the spring, with a smaller summit in the fall. This coincides with a worldwide spike in suicides every spring and a disgrace peak in the fall. To explore this relationship, Manalai and his colleagues recruited 100 volunteers from Baltimore and Washington, DC, who had dominant depression. About half were allergic and half were not allergic to trees and/or ragweed pollen.
Volunteers were evaluated during both high-pollen ripen and low-pollen season, and also had levels of their IgE antibodies (a system of sensitivity to allergens) measured. This is believed to be the first place study to link actual IgE measurements with depression scores.
Tuesday 19 November 2013
Allergic Rhinitis Increases With Age
Allergic Rhinitis Increases With Age.
It's a trite belief that as you get older, your allergy symptoms will wane, but a redesigned study suggests it's possible that even more older kinsmen will be experiencing allergies than ever before. In a nationally representative sample of people, researchers found that IgE antibody levels - that's the invulnerable system substance that triggers the release of histamine, which then causes the symptoms of allergies in the manner of runny nose and watery eyes - have more than doubled in populate older than 55 since the 1970s. IgE levels don't always directly correlate with the appearance of allergies or consistently indicate their severity, but IgE is the main antibody involved in allergies, explained ruminate on author Dr Zachary Jacobs, a fellow in allergy and immunology at Children's Mercy Hospital and Clinic in Kansas City, Mo.
And "With IgE levels, it's immutable to win an inference for a specific individual, but we're reporting a population trend, and it looks have a fondness there's increased allergic sensitization. It looks like Americans have more allergies now than they did 25 or 30 years ago," Jacobs said.
And, he added, "People in their 50s almost certainly have more allergy now than they did 25 or 30 years ago, and more allergists will be needed for the indulge boomers". The findings are to be presented Saturday at the American College of Allergy, Asthma and Immunology annual meeting, in Phoenix.
Jacobs and his colleagues noticed that no one had looked at levels of IgE in the residents since the 1970s, when a massive retreat called the Tucson Epidemiological Study was done. The remodelled study compared data from the Tucson go into in the '70s to data from the more recent National Health and Nutrition Examination Survey (NHANES) from 2005 to 2006.
There were 7398 forebears enrolled in NHANES, while the Tucson study included 2743 people. The demographic profiles for the two studies were similar, although there were a little more young kin (under 24) in the NHANES study.
It's a trite belief that as you get older, your allergy symptoms will wane, but a redesigned study suggests it's possible that even more older kinsmen will be experiencing allergies than ever before. In a nationally representative sample of people, researchers found that IgE antibody levels - that's the invulnerable system substance that triggers the release of histamine, which then causes the symptoms of allergies in the manner of runny nose and watery eyes - have more than doubled in populate older than 55 since the 1970s. IgE levels don't always directly correlate with the appearance of allergies or consistently indicate their severity, but IgE is the main antibody involved in allergies, explained ruminate on author Dr Zachary Jacobs, a fellow in allergy and immunology at Children's Mercy Hospital and Clinic in Kansas City, Mo.
And "With IgE levels, it's immutable to win an inference for a specific individual, but we're reporting a population trend, and it looks have a fondness there's increased allergic sensitization. It looks like Americans have more allergies now than they did 25 or 30 years ago," Jacobs said.
And, he added, "People in their 50s almost certainly have more allergy now than they did 25 or 30 years ago, and more allergists will be needed for the indulge boomers". The findings are to be presented Saturday at the American College of Allergy, Asthma and Immunology annual meeting, in Phoenix.
Jacobs and his colleagues noticed that no one had looked at levels of IgE in the residents since the 1970s, when a massive retreat called the Tucson Epidemiological Study was done. The remodelled study compared data from the Tucson go into in the '70s to data from the more recent National Health and Nutrition Examination Survey (NHANES) from 2005 to 2006.
There were 7398 forebears enrolled in NHANES, while the Tucson study included 2743 people. The demographic profiles for the two studies were similar, although there were a little more young kin (under 24) in the NHANES study.
Thursday 14 November 2013
New Rules For The Diagnosis Of Food Allergy
New Rules For The Diagnosis Of Food Allergy.
A renewed set of guidelines designed to assistant doctors diagnose and treat food allergies was released Monday by the US National Institute of Allergy and Infectious Diseases (NIAID). In annexe to recommending that doctors get a arrant medical history from a patient when a food allergy is suspected, the guidelines also sit on to help physicians distinguish which tests are the most effective for determining whether someone has a food allergy. Allergy to foods such as peanuts, out and eggs are a growing problem, but how many people in the United States indeed suffer from food allergies is unclear, with estimates ranging from 1 percent to 10 percent of children, experts say.
And "Many of us be aware the number is probably in the neighborhood of 3 to 4 percent," Dr Hugh A Sampson, an novelist of the guidelines, said during a Friday afternoon copy conference detailing the guidelines. "There is a lot of concern about food allergy being overdiagnosed, which we put faith does happen". Still, that may still mean that 10 to 12 million people suffer from these allergies, said Sampson, a professor of pediatrics and dean for translational biomedical sciences at the Mount Sinai School of Medicine in New York City.
Another quandary is that aliment allergies can be a moving target, since many children who enlarge food allergies at an early age outgrow them, he noted. "So, we certain that children who develop egg and milk allergy, which are two of the most common allergies, about 80 percent will at the end of the day outgrow these," he said. However, allergies to peanuts, tree nuts, fish and shellfish are more persistent, Sampson said. "These are more often than not lifelong," he said. Among children, only 10 percent to 20 percent outgrow them, he added.
The 43 recommendations in the guidelines were developed by NIAID after working jointly with more than 30 conscientious groups, advocacy organizations and federal agencies. Rand Corp. was also commissioned to fulfil a consideration of the medical facts on food allergies. A epitome of the guidelines appears in the December issue of the Journal of Allergy and Clinical Immunology.
One aspect the guidelines try to do is delineate which tests can distinguish between a food sensitivity and a full-blown foodstuffs allergy, Sampson noted. The two most common tests done to diagnose a food allergy - the fleece prick and measuring the level of antigens in a person's blood - only make out sensitivity to a particular food, not whether there will be a reaction to eating the food.
A renewed set of guidelines designed to assistant doctors diagnose and treat food allergies was released Monday by the US National Institute of Allergy and Infectious Diseases (NIAID). In annexe to recommending that doctors get a arrant medical history from a patient when a food allergy is suspected, the guidelines also sit on to help physicians distinguish which tests are the most effective for determining whether someone has a food allergy. Allergy to foods such as peanuts, out and eggs are a growing problem, but how many people in the United States indeed suffer from food allergies is unclear, with estimates ranging from 1 percent to 10 percent of children, experts say.
And "Many of us be aware the number is probably in the neighborhood of 3 to 4 percent," Dr Hugh A Sampson, an novelist of the guidelines, said during a Friday afternoon copy conference detailing the guidelines. "There is a lot of concern about food allergy being overdiagnosed, which we put faith does happen". Still, that may still mean that 10 to 12 million people suffer from these allergies, said Sampson, a professor of pediatrics and dean for translational biomedical sciences at the Mount Sinai School of Medicine in New York City.
Another quandary is that aliment allergies can be a moving target, since many children who enlarge food allergies at an early age outgrow them, he noted. "So, we certain that children who develop egg and milk allergy, which are two of the most common allergies, about 80 percent will at the end of the day outgrow these," he said. However, allergies to peanuts, tree nuts, fish and shellfish are more persistent, Sampson said. "These are more often than not lifelong," he said. Among children, only 10 percent to 20 percent outgrow them, he added.
The 43 recommendations in the guidelines were developed by NIAID after working jointly with more than 30 conscientious groups, advocacy organizations and federal agencies. Rand Corp. was also commissioned to fulfil a consideration of the medical facts on food allergies. A epitome of the guidelines appears in the December issue of the Journal of Allergy and Clinical Immunology.
One aspect the guidelines try to do is delineate which tests can distinguish between a food sensitivity and a full-blown foodstuffs allergy, Sampson noted. The two most common tests done to diagnose a food allergy - the fleece prick and measuring the level of antigens in a person's blood - only make out sensitivity to a particular food, not whether there will be a reaction to eating the food.
Monday 26 August 2013
Several New High-Quality Research On Food Allergies
Several New High-Quality Research On Food Allergies.
There's a shortage of regular information about the prevalence, diagnosis and care of food allergies, according to researchers who reviewed figures from 72 studies. The articles looked at allergies to cow's milk, hen's eggs, peanuts, tree nuts, fish and shellfish, which relation for more than 50 percent of all grub allergies vigrxbox. The weigh authors found that food allergies affect between 1 percent and 10 percent of the US population, but it's not prominently whether the rule of food allergies is increasing.
While food challenges, skin-prick testing and blood-serum testing for IgE antibodies to explicit foods (immunoglobulin E allergy testing) all have a situation to caper in diagnosing food allergies, no one test has sufficient calm of use or sensitivity or specificity to be recommended over other tests, Dr Jennifer J Schneider Chafen, of the VA Palo Alto Healthcare System and Stanford University School of Medicine, and colleagues, said in a message release. Elimination diets are a anchor of chow allergy therapy, but the researchers identified only one randomized controlled testing (RCT) - the gold-standard of affirmation - of an elimination diet.
So "Many authorities would believe RCTs of elimination diets for humourless life-threatening food allergy reactions unnecessary and unethical; however, it should be recognized that such studies are normally lacking for other potential commons allergy conditions," the researchers wrote. In addition, there's imperfect research on immunotherapy, the use of hydrolyzed formula to prevent cow's tap allergy in high-risk infants, or the use of probiotics (beneficial bacteria) in conjunction with breast-feeding or hypoallergenic instructions to prevent subsistence allergy, according to the report published in the May 12 issue of the Journal of the American Medical Association.
There's a shortage of regular information about the prevalence, diagnosis and care of food allergies, according to researchers who reviewed figures from 72 studies. The articles looked at allergies to cow's milk, hen's eggs, peanuts, tree nuts, fish and shellfish, which relation for more than 50 percent of all grub allergies vigrxbox. The weigh authors found that food allergies affect between 1 percent and 10 percent of the US population, but it's not prominently whether the rule of food allergies is increasing.
While food challenges, skin-prick testing and blood-serum testing for IgE antibodies to explicit foods (immunoglobulin E allergy testing) all have a situation to caper in diagnosing food allergies, no one test has sufficient calm of use or sensitivity or specificity to be recommended over other tests, Dr Jennifer J Schneider Chafen, of the VA Palo Alto Healthcare System and Stanford University School of Medicine, and colleagues, said in a message release. Elimination diets are a anchor of chow allergy therapy, but the researchers identified only one randomized controlled testing (RCT) - the gold-standard of affirmation - of an elimination diet.
So "Many authorities would believe RCTs of elimination diets for humourless life-threatening food allergy reactions unnecessary and unethical; however, it should be recognized that such studies are normally lacking for other potential commons allergy conditions," the researchers wrote. In addition, there's imperfect research on immunotherapy, the use of hydrolyzed formula to prevent cow's tap allergy in high-risk infants, or the use of probiotics (beneficial bacteria) in conjunction with breast-feeding or hypoallergenic instructions to prevent subsistence allergy, according to the report published in the May 12 issue of the Journal of the American Medical Association.
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