Good nutrition is critical for your child's healthy brain development. It's not uncommon for families to struggle getting enough food to eat. If you feel like you haven't had enough food to feed your whole family in the last month, please talk to someone. This is a common problem.
To give you an idea about genetic variation between each of us, there are about three million differences in our genetic code. They go to influence the color of our hair and the color of our eyes, the way we walk.