Most American Indians are lactose intolerant, which means they need to find nutrients outside of dairy. Traditional cooking methods can be key to good health.
A number of for-profit labs claim to be able to pinpoint specific food intolerances via simple but expensive blood tests. Allergy scientists are dubious.
Italian researchers found that the physical pain and symptoms a person experiences might actually be related to psychological factors.
The quickly growing gluten-free market has spurred the FDA to define what exactly it means for foods to be gluten-free.