Heart disease has been around for a long time and so has cancer.
In teenagers?
>
> Really? I don't see any evidence to support what you say. In fact,
> it's absurd. Give us a couple of citations to refereed journals, and
> I'll believe you, or at least consider what you have to say.
>
>
"Diseases in which a number of
genes are involved include heart disease, high blood pressure,
Alzheimer's disease, arthritis, diabetes, cancer, and *obesity.*"