Mars-Bound Astronauts Could Face Dementia Risk, Study Contends

TUESDAY, Oct. 11, 2016 (HealthDay News) -- President Barack Obama's declaration Tuesday to send astronauts to Mars and back by the 2030s might come with health risks to the space travelers, a new study suggests.

Mouse Study Suggests Brain Circuit Involved in Sleep-Wake Cycle

MONDAY, Sept. 5, 2016 (HealthDay News) -- Scientists say they've identified a brain circuit in mice that plays a key role in the sleep-wake cycle.

Even a Little Exercise May Help Stave Off Dementia

FRIDAY, Aug. 26, 2016 (HealthDay News) -- Couch potatoes have a higher risk of developing dementia in old age, a new study reports.

For Uncontrolled Tremor, Ultrasound Instead of Brain Surgery?

THURSDAY, Aug. 25, 2016 (HealthDay News) -- Patients with uncontrolled shaking caused by a condition called essential tremor may get relief with a new noninvasive ultrasound procedure, a study finds.

Serious Heart Problem a Family Matter

THURSDAY, Aug. 25, 2016 (HealthDay News) -- A potentially deadly heart problem can run in families and occur at similar ages, a new study suggests.

Stress May Take Greatest Toll on Younger Women's Hearts: Study

WEDNESDAY, Aug. 24, 2016 (HealthDay News) -- Stress may be especially hard on the hearts of younger women who have heart disease, new research suggests.

Blood Test Might Someday Predict Your Stroke Risk

WEDNESDAY, Aug. 24, 2016 (HealthDay News) -- In the doctor's office of the future, a simple blood test might gauge a patient's odds of suffering a stroke someday, new research suggests.

Adult-Onset Asthma Might Raise Heart Risks

WEDNESDAY, Aug. 24, 2016 (HealthDay News) -- People who develop asthma when they're adults may have another health issue to worry about: an increased risk for heart disease and stroke.

Cancer on Course to Become Top Killer of Americans

WEDNESDAY, Aug. 24, 2016 (HealthDay News) -- Cancer is on track to become the leading cause of death in the United States, closing in on heart disease as America's number one killer, a new government study shows.

Kids' Mild Brain Injury Can Have Long-Term Effects

WEDNESDAY, Aug. 24, 2016 (HealthDay News) -- Young people who suffer even mild head trauma are more likely to have serious issues later on, including psychiatric problems and premature death, a new study suggests.