If you think smoking just a few cigarettes a day keeps you free from the many risks of smoking, you may want to think again.

Many electronic cigarette fans tout the devices' ability to help people quit smoking conventional cigarettes. New evidence suggests, however, that e-cigarettes may not live up to the hype.

Much progress has been made in recent years in the public health fight against cigarettes, but new evidence suggests that US teens might be picking up electronic cigarettes as fast as they are dropping traditional tobacco.

Downing a can of soda may provide some relief from a tension-filled day. But too much of a sweet thing can become an unhealthy habit.

Surely those airplanes zooming overhead interfere with people's sleep, right? Perhaps surprisingly, this just doesn't seem to be the case.

Osteoporosis may make you more likely to experience a surprising condition: hearing loss.

When it comes to breast cancer risk, not all hormone therapies are created equal. While some may continue to increase the risk of cancer years after a patient stops taking the medications, others can decrease the odds of getting the disease.

Obesity is behind a number of well-known heart health problems. In black men, it may also have a profound effect on cancer risk.

Heart failure patients may soon have a new treatment option.

A poor night's sleep can affect performance at work the next day, but over time, could disrupted sleep affect brain function in a permanent way? New evidence suggests it could.