They had an episode titled Ghost in your Genes that had to do with epigenetics. It had to do with the genetic markers that turn genes on an off, obviously a lot more complicated in how it could affect the passing on of genes and such. I would watch it, very interesting.
Pretty much all that smoking or drinking before kids could lead to changes in your genetics that could affect them with certain diseases.
http://www.pbs.org/wgbh/nova/genes/
Pretty much all that smoking or drinking before kids could lead to changes in your genetics that could affect them with certain diseases.
http://www.pbs.org/wgbh/nova/genes/