People with attention deficit hyperactivity disorder (ADHD) frequently read warnings on their medication bottles instructing them to avoid usage if they have structural heart problems or another pre-existing heart condition.

After a stroke some patients may find it easier to quit smoking. There may be a good reason for that. Smokers who intended to stop prior to the stroke and those who have a particular area of their brain damaged by stroke are more likely to quit.

Patients suffering from hypertension may be at an added benefit. Their blood pressure medication may help lower their risk of developing Alzheimer's disease.

For stroke patients who have dementia the outcome may be worse. Dementia patients who have a stroke are more likely to suffer disability and less likely to return home.

Relearning how to walk after a stroke or brain injury can be a difficult task. An innovative method for alternating walking patterns may aid patients in regaining their usual walking ability.

For middle-aged women with restless legs syndrome, it's not just itching and an irresistible urge to move the legs. It also may be a risk factor for high blood pressure.

There has been a steady decline in the number of Americans with coronary heart disease in recent years, yet rates vary by race and ethnicity, and residents of some states have a risk that is more than double other geographic regions.

Smoking doesn't discriminate -- leading to health risks for anyone who picks up the habit. For women, that risk may be exaggerated after a heart attack.

Medication to lower cholesterol may have some unexpected benefits. In older patients, statins to lower cholesterol significantly improve survival rates after a traumatic brain injury.

Smokers aren't just at an added risk for strokes. They're at risk at risk for having them up to a decade earlier than those who don't smoke.