View these two Ted Talk On the topic of Epigenetics. Then: Prepare a letter expl

View these two Ted Talk On the topic of Epigenetics.
Then:
Prepare a letter explaining to a friend what Epigenetics is, how it works and why you want to pay attention to this.
The information you should include : how does the turning off or turning on of genes work? What are Methyl-donors and what are the three ways we can increase them in our bodies.