Staying mentally active, even when sedentary, may help reduce the risk for dementia and cognitive decline as people age.

A new decision-making aid may help people seeking treatment for Parkinson disease weigh the risks and benefits of deep brain stimulation.

Methylphenidate does not appear to be associated with an increased risk for nonaffective psychosis among people with ADHD.

Male children in low-income urban areas may face a higher risk for poor sleep duration and efficiency than female children ...