Summer is the peak season for recreational swimming. That fun activity can turn foul when swimming pool maintenance isn’t handled properly.

Sleep is a crucial part of good health, and when people find it nearly impossible to fall or stay asleep, medication may help. However, some sleep medications may be dangerous for certain heart failure patients.

There are treatments for chronic obstructive pulmonary disease (COPD). However, there is no cure for the condition. But that doesn't mean that patients with COPD can't take personal steps to improve their disease-related health.

Electronic cigarettes are becoming a popular new way to help people quit smoking. But are they fixing the problem? Or just making tobacco more popular?

Even after losing weight, many people end up gaining it back later. Does that time spent at a lower weight still come with health benefits?

Some people have genes that make them more likely to develop type 2 diabetes. Weight loss, however, may be the most effective way to lower diabetes risk, regardless of genetic risk.

Pregnant women who are severely overweight may face a number of risks to their own health. But it's not only these heavy mothers who are put at risk; that extra weight also may be harmful to their baby.

Humans are teeming with viruses and bacteria, both good and bad. It seems one such invader — the human papillomavirus (HPV) — may be infecting many of us.

Schizophrenia can be treated with oral or injectable medications. The injections last longer and may help to keep patients from stopping treatment. But it's still unclear if newer injectable medications work better than the older ones.

Although a stroke can limit a person’s ability to move, many who have had a stroke can still join in physical activities. Exercise can improve their fitness and prevent stroke from recurring.