Newer, cutting-edge treatment is better — right? This may not always be the case, particularly in Parkinson's disease, say the authors of a new study.

The amount of sex hormone's in a woman's blood may play a role her risk of breast cancer. And those sex hormone levels may show themselves in more obvious ways than once thought — in the form of moles on the skin.

Many people with diabetes take insulin, which can help their body process blood sugar. As faster- and longer-acting insulins have been developed, insulin use — and cost — has increased.

The effects of smoking marijuana are under careful scrutiny these days. One finding may make young men considering a family think twice before lighting up.

In some cases, lifestyle changes aren’t enough to treat diabetes, and medication is required. There are a variety of diabetes treatment options, but some options may carry more risks than others.

Losing weight is often the first step to controlling type 2 diabetes. Some weight loss methods may work better against diabetes than others.

Managing blood sugar levels is a central part of treating diabetes and preventing complications related to diabetes. And now, new research has reinforced that important fact.

The US Food and Drug Administration (FDA) and Environmental Protection Agency (EPA) today updated advice for pregnant women and young children about eating fish.

Bacteria aren't just foreign invaders that make us sick. We also hold healthy bacteria within our bodies. Hosting a diverse collection of this good bacteria in the gut may depend on more than diet.

The impact of being overweight has far reaching health implications — implications that may be taking a toll at an earlier age.