People show different sensitivities to low temperature because of variations in body mass, muscle mass, and genetics.

If you often feel unusually cold, even when others seem comfortable, it might not just be the weather — your body could be lacking some vital vitamins. Here’s what experts say about which vitamin ...

“I think the main reason that some people get more colds than others relates to exposure,” said Dr. Dean Blumberg, the chief of pediatric infectious diseases at UC Davis Health in California. Someone ...