Does the Mediterranean diet really slow heart disease?

If I told you that the Mediterranean diet prevents heart disease, you would probably yawn and say, "Yes, I know." But did you know we weren't 100% sure of this until just recently? That's because studies had not zeroed in on the absolute proof. The studies just danced around it. But now, we can say for sure that this diet does prevent heart disease.

Can you tell how fast you're aging by how many colds you get?

Infections attack us all the time. How your body handles those infections determines how sick they make you. If your immune system is strong, you'll fight off most of them. But when your immune system is weak, you get sick. Now researchers are learning the key to keeping your immune system strong - and it has to do with how fast you age.

The fat you should eat to lose those unwanted pounds

Is it possible that the kind of fats or oils you eat will determine what your metabolic rate is and how much you like to exercise? A new study says it’s not only possible, it’s likely.