Pain medications can be a double-edged sword. People in pain need help. Too much of a good thing, however, can cause addiction and endanger health.

Medications for allergies, depression and incontinence can be lifesavers. However, they may have some surprising effects on mental health.

Conventional wisdom holds that Alzheimer's starts with small memory slips — but new evidence suggests that other mental health symptoms may signal this disease.

A good night’s rest may not only make you less groggy — it could also prevent a more serious brain drain. Those who get enough deep sleep may be less likely to develop dementia.

In middle age, taking care of yourself now could mean avoiding a health crisis later — and that may go double for diabetes patients. Middle-aged diabetes patients may have a raised risk for mental decline later in life.

Reducing your risk for Alzheimer’s may be as simple as enjoying a few cups of coffee each day.

Getting early treatment for dementia can improve patients' health. Many people, however, aren't getting screened for the disorder in the first place.

Spinal stenosis tends to affect patients as they grow older. Surgery can provide relief, but those with even slight depression may face difficulties recovering.

Dopamine receptor agonists are medicines used to treat the symptoms of Parkinson’s disease. Patients who take them, however, may find themselves having trouble with impulse control.

High blood pressure affects 1 in 3 US adults and is tied to an increased risk of stroke, heart attack and other serious conditions, reports the National Heart, Lung, and Blood Institute (NHLBI). But high blood pressure in midlife may also forecast mental decline later.