"Get more sun!" we're told, when we need to bulk up on our vitamin D. Fair enough, but how does merely walking outdoors turn us into vitamin factories?
Everyone metabolizes food differently, so what's healthy for one person might be unhealthy for the next.
Special banana varieties that are enriched with alpha and beta carotene are undergoing human trials now.
Some antioxidants taken as supplements may promote lung cancer, a new study says. Continue reading →
Vitamin supplements are everywhere, arguing by their existence that a normal diet doesn't provide the level of nutrition we need. Supplementing with vitamins, then, will make us healthier and prolong our lives. But is this actually true?