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 Houston Chronicle (blog) |
Red tide kills fish, causes respiratory problems at South Padre Island
Houston Chronicle (blog) “People on a beach with red tide may experience irritation of the eyes, nose and throat, as well as coughing, wheezing and shortness of breath,” the advisory says. People with existing respiratory illness, such as asthma, may experience these symptoms … |
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Asthma: Causes and Risks
EmpowHer By EmpowHER September 30, 2011 – 2:21pm People who live with asthma should prepare for the fall season when asthma symptoms are often exacerbated. With cooler temperatures, changing leaves, and football overtaking most TVs during the weekend, … |
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Second-hand smoke causes asthma, bronchitis in children
Nigerian Tribune Ruth Olurounbi reports that if children are not shielded from ETS, they may be vulnerable to asthma, respiratory tract infections, bronchitis, and other health problems. THE 2006 United States of America Surgeon General's Report, entitled “The Health … |
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Heat causes problems with allergies, asthma (6/6)
The American Press (blog) With warm temperatures and high humidity people with conditions like asthma should take precautions, said Syed Shah, emergency room and medical director at West Calcasieu-Cameron Hospital. “When working out and … |
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 Telegraph.co.uk |
Smoking causes fetal DNA change
UPI.com LOS ANGELES, May 18 (UPI) — Children whose mothers smoked during pregnancy are at increased risk of asthma in childhood because of DNA changes, US researchers say. Carrie Breton, assistant professor of preventive medicine at The Keck School of … Smoking while pregnant 'triggers asthma through DNA changes' Pregnant smokers 'could make babies more prone to asthma by altering DNA' Maternal smoking causes changes in fetal DNA |
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The Times of India is reporting that a new study by the Shanghai Women’s Health Asthma and Allergy has suggested that an impaired ability to handle oxidative stress that arises from exposure to secondhand smoke and other environmental triggers may contribute to the development of asthma.
The results suggest regulating the body’s antioxidant defense system may play an important role in asthma prevention.
“We found that the host antioxidant defense system is compromised among those destined to develop asthma, and therefore these individuals may be less able to handle environmental exposures that may cause asthma,” said study author Emma Larkin, research assistant professor at Vanderbilt University Medical Center
The researchers collected data from 65,732 women with no history of asthma who completed standardized questionnaires about asthma diagnoses and symptoms on two occasions following enrollment.
From this group, the researchers selected 150 women with confirmed new development of asthma and 294 healthy controls. Levels of antioxidants and other enzymes associated with oxidative stress were measured from blood and urine samples prior to asthma development.
Questionnaire data indicated 96 per cent of the women were never-smokers and 44 per cent were exposed to secondhand smoke through husbands or workplace exposure.
“Exposure to secondhand smoke increases the risk of asthma, and we believe that our ability to combat the detrimental effects of environmental exposures such as secondhand smoke through antioxidant enzyme defense is very important,” Larkin said.
The researchers found that increased host antioxidant defense enzyme activity measured prior to disease onset was associated with a reduction in risk of asthma. Specifically, high levels of an enzyme that prevents the formation of platelet-aggregating factor (PAF), which is linked with asthma, were associated with a decreased risk of asthma.
The study will be presented at the ATS 2011 International Conference said the Times of India report.
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Asthma Causes Nearly 13 Million Missed School Days Each Year
Patch.com Asthma is one of the most common chronic diseases in the US, affecting nearly one in 12 people, particularly low-income and minority households. It is also one of the most common diseases for children, with nearly 7 million children suffering from … Innovative Breakthrough Treatment for Asthma Boston Scientific Supports Asthma Awareness Month With Donation to Asthma … |
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Jackson school fire causes 3 workers' asthma reaction
Jackson Clarion Ledger Three employees went to the hospital for asthma-related illnesses after the fire was extinguished, a Jackson Public Schools spokeswoman said. Two custodians were taken by ambulance to a hospital. The school principal drove herself to the hospital. Fire Breaks Out In Cubbyhole At Jackson School |
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Protein linked to allergic response causes airway changes in asthmatics
Sify A study conducted by researchers at Duke University has found that changes that occur in the airways of asthma patients are in part caused by the naturally occurring protein interleukin-13 (IL-13) which stimulates invasion of airway cells called … Study finds that protein IL-13 stimulates fibroblast cells to invade the … |
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Protein associated with allergic response causes airway changes in asthma patients
EurekAlert (press release) Changes that occur in the airways of asthma patients are in part caused by the naturally occurring protein interleukin-13 (IL-13) which stimulates invasion of airway cells called fibroblasts, according to a study conducted by researchers at Duke … |
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