Antibiotics in infancy tied to asthma

Children given multiple doses of antibiotics before their first birthdays have a heightened risk of asthma later, a study shows.

Researchers analyzed the medical records of 13,116 children born in Manitoba in 1995. Roughly 6 percent of the group developed asthma by age 7.

Kids getting more than four courses of antibiotics during the first year of life were 1.5