Irregular heartbeat isn't usually life-threatening. It is relatively easy to manage. However, those with the disorder may be at a heightened risk for developing dementia, including Alzheimer's disease.

After suffering a life-threatening brain hemorrhage, many patients are very traumatized and fear recurrent hemorrhages, though the actual risk is very low.

Depression is common among the elderly with many electing to take antidepressants. The new generation of antidepressants may be overly risky for older patients.

Suffering a traumatic brain injury is bad enough. Unfortunately, in the months and years to follow, such patients remain at a significantly increased risk of stroke.

U.S. Food and Drug Administration (FDA) officials have approved an updated drug label for smoking cessation medication varenicline (Chantix) with stronger warnings.

Dementia can be brought on by a number of risk factors. One of the most surprising that has recently been linked to the cognitive impairment, however, is a type of heart condition involving restricted arteries.

Moderate lifestyle changes may seem small, but they can provide large returns in better health. Exercising and smoking cessation are among modifiable changes capable of reducing risk of Alzheimer's disease.

Picking up the pieces for Gulf Coast residents has been no small feat. In early 2010, the Deepwater Horizon oil spill leaked nearly 5 million barrels of oil into the Gulf of Mexico, possibly causing a public health crisis.

Cigarette smokers may be ready to kick their habit, but a popular smoking cessation drug may only add health risks. A new study indicates that Chantix (varenicline) may come with a heightened risk of serious heart problems.

Overweight children have a significantly higher prevalence of psoriasis - and they are also at higher risk for heart disease that starts in childhood with higher cholesterol levels.