The common cold sends more people to the doctor than just about any other illness. Some patients need antibiotics, but it can be hard to decide which ones. That all may be about to change.

Patients with an abnormally slow heart rate may have concerns about the potential for complications. But new evidence suggests these patients can rest a little easier.

Mosquitoes aren't just a pesky nuisance on warm summer days — many carry disease. And the newest of these mosquito-borne diseases is Zika virus.

Most people know that eating fast food is a quick way to gain weight. But they may not realize that sit-down restaurants can be just as unhealthy.

Nothing can ruin a vacation like a bout of food poisoning. But new evidence suggests the risk may be lower than ever — at least on US cruise ships.

Antibiotics can be a lifesaver for serious infections. But used unnecessarily, they can lead to a much bigger problem.

A few decades ago, contracting Lyme disease in the US may have seemed like a stroke of bad luck. But today, the risk may be a whole lot greater.

In the fight against antibiotic resistance, the National Institutes of Health (NIH) is hoping for a breakthrough.

If your medicine cabinet is home to liquid children's cough medicine, you may want to give the label a second look.

Tissue or metal? For aortic valve replacement (AVR) surgery, which one you choose may make a difference.