What are genes?
According to the National Institutes of Health, genes are “the basic physical and functional units of heredity.”1 Made from DNA, genes are passed along from parents to their children and determine specific traits such as eye and hair color. And there’s a lot of them. In fact, it is estimated that humans have between 20,000 to 25,000 genes.1
How are genes and weight connected?
Just like genes can influence a person’s eye and hair color, they may also influence how ea