Kola nut: Uses, benefits, and side effects

Learn more about the kola nut, including who should avoid taking it, how it can be used and the conditions it can benefit the most.

High-sugar diets raise heart disease risk in healthy people

A study finds that a high-sugar diet changes a healthy person’s fat metabolism so that it resembles that of someone with non-alcoholic fatty liver disease.

Leafy greens may contribute to a healthy heart

In a first-of-its-kind study, researchers examine the link between vitamin K and the structure and good functioning of the heart in teenagers.