Vitamin E did not lower the risk of asthma, a condition associated with a higher risk of COPD.
Malayka Rahman of Asthma UK, said research suggests that a person's diet may contribute to their risk of developing asthma and that eating healthily may have a beneficial effect.
Risk of asthma was higher in babies born at 33 to 36 weeks than full-term babies.
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People who work with cleaning products risk developing asthma, believe UK experts who have explored the link.
Researchers looked at whether introducing solid food after six months reduced the risk of asthma, allergic reactions and eczema.
High levels of unhealthy fats in burgers could increase the risk of asthma.
Or would it be better spent reducing the risk of asthma faced by deprived children in the polluted inner city?
Previous studies have linked cesarean delivery to a higher risk of asthma, diabetes and obesity, but the reason wasn't clear.
Viral infections in newborns "cripple" part of the immune system and increase the risk of asthma later in life, US researchers studying mice have said.
Researchers could not pinpoint what caused the increased risk of asthma.
Female smokers and ex-smokers had an increased risk of developing asthma of between 138% and 143%.
The risk of having asthma for those who were obese was twice that of someone with normal weight.
The study also found that female smokers seem to be at a greater risk of developing asthma than their male counterparts.
They increase the risk of developing asthma, lung cancer or cardiovascular disease.
Eating three or more portions of fruit a week cut the risk of severe asthma, eczema and rhinoconjunctivitis by between 11% and 14%.
In the study, children in their early teens who ate three or more weekly servings of fast food had a 39% increased risk of severe asthma.
Dr Paolo Boffetta, of the Unit of Environmental Cancer Epidemiology of the International Agency for Research on Cancer in Lyon, France, who worked on the study, said: "We do not really know if asthma as such causes the increased risk".
DeCode researchers spent four years analyzing the DNA of the Arnasons and thousands of other Icelandic heart patients, unearthing a couple of key suspects:two gene variants, previously thought to be involved in asthma, that nearly double the risk of heart attack by boosting levels of a molecule that promotes inflammation of the artery walls.
All the study participants had a family history of allergic disease such as eczema or asthma - making their children at higher risk of developing such illnesses themselves.
The findings add to the growing number of studies that expose more of the hidden universe of these microbes and the role they may play in the risk of conditions ranging from asthma to autism, obesity and cancer.
People with asthma, emphysema or COPD are especially at risk for complications (even death) from the cinnamon challenge because their lungs are already compromised and at risk for more severe spasm in their lower airways.
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The most recent analysis, published in the Annals of Internal Medicine, reports that salmeterol increases the risk of hospitalization for any form of asthma.
Children in at-risk groups, such as those with asthma, heart conditions or cerebral palsy, are already eligible to receive the vaccine from their GP.
These vulnerable groups are disproportionately represented in public housing, they point out, and may be at increased risk for sudden infant death syndrome, asthma, respiratory infections, heart attacks, and cancer.
Adults under the age of 65 with an underlying health condition -- such as asthma -- are also considered to be more at risk from the H1N1 virus.
The research, reported in the online journal PLoS One, found that people with asthma, nasal allergies and other common allergic conditions had a significantly reduced risk of developing head and neck cancers.
On the basis of this discovery, DeCode recently began human trials of an old asthma drug that counteracts the bad genes, hoping this will slash heart attack risk.
Research has show that second-hand smoke can increase the risk of a range of conditions, including sudden infant death syndrome and asthma, as well as impairing lung function.
Around 10 million people are estimated to have asthma in the UK, meaning around two million could be sensitive to aspirin and be at risk of suffering a potentially life-threatening reaction to aspirin.
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