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| Epigenetics Environmental factors can alter the way our genes are expressed, making even identical twins different. Aired on July 24, 2007 on PBS. |
Once nurture seemed clearly distinct from nature. Now it appears that our diets and lifestyles can change the expression of our genes. How? By influencing a network of chemical switches within our cells collectively known as the epigenome. This new understanding may lead us to potent new medical therapies. Epigenetic cancer therapy, for one, already seems to be yielding promising results.
http://www.pbs.org/wgbh/nova/body/epigenetics.html
