Too much TV might up kids ' asthma risk

March 3, 2009 9:27:57 AM PST
Young children who watch more than 2 hours of TV each day may be at greater risk of developing asthma.Researchers from the University of Glasgow tracked more than 3,000 children, from birth to age 12, and checked the children at ages 3 1/2 and 11 1/2.

The researchers found that children who watched more than 2 hours of television each day were nearly twice as likely to develop asthma than children who watched less television.

The link between inactivity and asthma is complex, but recent research has suggested that sedentary behavior affects the way children breathe and may spark developmental changes in their lungs.

This study is reported in the journal Thorax.