Being obese is dangerous for your health. And so is being overweight, right? Well, yes. Or no. Or maybe. Or, it kind of depends. The answer is complicated.

While energy drinks may give you a lift, consuming too many can be unhealthy. Caffeine levels are currently not listed on these drinks, but recent FDA investigations may change that.

Perhaps you have heard of atrial fibrillation. You’ve seen it in the news or have a friend or relative with it. Or a doctor has just told you that you have it. But what exactly is it?

If you're in your 40s or 50s and you've gone a full year without a period, menopause is knocking on your door. Don't worry — it's a great time to fling open that door of opportunity.

The image of "obesity" often conjures up people who can barely fit through a doorway or who always require two airline seats.

Your heart is your body's engine. Much like the engine of a car, you have to take good care of your heart to keep the body running smoothly. If you do not maintain a healthy heart, you may run into problems down the road.

When scientists discover a new type of drug that "promises" to become a "wonder" drug for all sorts of maladies, caution is a better route than joy and hope.

The information we get about dietary nutrition in general and fats especially can often feel overwhelming. With so many details to wade through, it can be hard to understand the components that make up a healthy diet.

Rheumatoid arthritis can last a lifetime. As the years pass, the inflammation caused by rheumatoid arthritis can spread to other organs, causing a variety of health problems. In some cases, the complications of rheumatoid arthritis can be deadly.

There are few among us who can pass up the sweet and decadent taste of chocolate -- at least in moderation. But is your sweet tooth actually giving your heart a boost?