Epigenetics is a field of study that implies changes in the expression of an organism's DNA, instead of alteration of the genetic code itself. In Greek, "epi" literally means "on, over, or near. In our genes, these are heritable changes that can switch on or off based on a variety of factors.
Moshe Szyf talks to Sheri about the major ethical questions surrounding the study and use of epigenetics.
Epigenetics: Biology of Aggression
Epigeneticist Moshe Szyf talks to Sheri about social policy and biology; social media and its effects on the architecture of our brains; and a suicide brain bank in Quebec, Canada.
Check out his TED Talk too.