Lighting up in a restaurant or a bar affects more than your own lungs. The secondhand smoke is inhaled by those around you as well — unless you live in an area with smoke-free legislation.

Mild cognitive impairment (MCI) is a loss of memory and thinking skills, and it can progress to dementia in some people. But, we don’t know why some people with MCI remain stable.

Diabetes can affect many different parts of your body. Your stomach is no exception. A little electrical jolt could ease a serious stomach problem in people with diabetes.

Finding lung cancer early can save a life. Screening options, however, are costly, invasive or both. An altered protein, found in the blood, may be key to a simpler, more affordable option.

Taking any medication requires patients to balance the risks and benefits of the drug. But these vary by person because every person is unique. Antidepressants, for example, affect different people in different ways.

Easing the discomfort with Crohn's disease remains a difficult task. Though the troubles could be swayed with two medicines, the effects are temporary.

Is hypersexual behavior a symptom of another mental health condition or a disorder in and of itself? The psychiatric community may have developed the necessary test to distinguish.

Chemotherapy can be heartbreaking. Literally. A drug that has been used for half a century to treat a broad array of tumors, also destroys heart tissue. Why this happens is finally becoming clear.

Decisions about vaccine policies are made throughout the year by a group of experts and researchers. They met recently to discuss current issues with diseases and to make recommendations.

There are a wide range of risk factors for heart arrhythmias, but could a symptom such as simple inflammation be enough to increase your risk?