University of Rochester Medical Center researchers found that children exposed to second-hand smoke have fewer disease-fighting antioxidants in their blood than those who aren’t exposed to it. “The body uses up its store of antioxidants to fight the free radicals breathed in from second-hand tobacco smoke, so it doesn’t have any left over to fight free radicals from other sources,” explains Karen Wilson, M.D., M.P.H.
[photo: D. Sharon Pruitt]

