It is important for those of us who are concerned about the future of our kind to take a look at Epigenetics. Simply put, epigenetics is the study of cellular and physiological traits that are passed on to daughter cells (the two cells formed when a cell undergoes cell division) and not caused by changes in the DNA sequence of a person. In other words, it is believed that a human’s traits (and possible those of his or her offspring) can be changed, without any altering of the genetic code.
It is said that the foods you choose, the amount of exercise you get, how you handle stress, air quality and so on effect, not only you, but the development and health of your children as well.
Here is a simple film that explains this phenomena in very easy to understand terms. Although it is an advertisement for a product, I thought it worth watching to get an overview.
If you want to go more in-depth, check out the following video.