About 90 percent of children with two copies of a common genetic variation and who wheezed when they caught a cold early in life went on to develop asthma by age 6, according to a study published by the New England Journal of Medicine. These children, all from families with a history of asthma or allergies, were nearly four times as likely to develop the disease as those who lacked the genetic variation and did not wheeze. The effects of each - the genetic variation and wheezing illness caused by a human rhinovirus infection - are not merely additive but also interactive, the authors say...
More...
More...