A study conducted by scientists at the Telethon Institute for Child Health Research in Australia finds that children who are conceived by fathers who are smokers are 15% more likely to develop acute lymphoblastic leukemia, the most common form of childhood cancer.
http://www.presstv.ir/detail/215893.html http://www.presstv.com/detail/215893.html http://www.foxnews.com/health/2011/12/15/kids-leukemia-risk-tied-to-dads-smoking/