Heart failure is an often misunderstood diagnosis. It doesn’t mean your heart stops working. But it can be deadly. Here’s a primer on risk factors, symptoms, behaviors you can change to lower your risk, and a few science-backed ways to make improvements if you’ve been diagnosed.

You’ve probably heard that your body is 50 percent water. But did you know some of your most vital organs are up to 80 percent water? Your heart is one of them. And we’re hearing that your future risk of heart failure may hinge on how well-hydrated you keep it…

To keep our hearts healthy, we’re bombarded with well-meaning advice. Eat this, don’t eat that. Exercise this much. Don’t sit too much. Avoid bad habits and reduce the stress levels in your life. But there’s one simple piece of advice that, if you follow especially during midlife, could eliminate heart failure from your future…

Staying active is one of the best ways to keep your heart healthy. But according to the American Heart Association, simply getting your recommended levels of exercise might not be enough. In fact, if you’re a woman over 50, you might be doing everything right and still doubling your risk of heart failure…

One of the complications that comes with heart failure is a “reduced ability to exercise.” After all, it makes sense that if your heart isn’t pumping as well as it should, it would be harder to go for a run. But a growing body of research is showing that exercise may be exactly what’s needed.

Energy drinks are loaded with caffeine and sugar. For that reason alone, they’ve always been questionable at best when it comes to your health. But now, research has pinpointed other chemicals in these drinks that damage your kidneys and set you up for heart failure.