Brain Scans Might Spot Potential for Recovery From Coma

TUESDAY, April 15, 2014 (HealthDay News) -- Brain scans could help identify comatose patients who have the potential to wake up, a new study suggests.

Study Links Casual Marijuana Use to Changes in Brain

TUESDAY, April 15, 2014 (HealthDay News) -- Young people who occasionally smoke marijuana may be rewiring their brains, with their pot use causing structural changes to brain regions related to motivation, emotion and reward, a small study says.

Nonwhites Exposed to More Air Pollution: Study

TUESDAY, April 15, 2014 (HealthDay News) -- Nonwhite Americans are exposed to 38 percent higher levels of nitrogen dioxide air pollution than whites, a new study shows.

Less Salt Use Tied to Drop in U.K. Heart Deaths

MONDAY, April 14, 2014 (HealthDay News) -- A drop in salt consumption likely played a big role in a recent large reduction in deaths related to heart disease and stroke in England, a new study suggests.

Time Spent With Grandkids Might Boost Women's Brain Power

FRIDAY, April 11, 2014 (HealthDay News) -- Spending a little time each week caring for grandkids may help older women stay mentally sharp, a new study finds.

A Doctor's 'People Skills' Affects Patients' Health

THURSDAY, April 10, 2014 (HealthDay News) -- A doctor's "bedside manner" seems to have a real effect on patients' health, a new research review suggests.

Heart Failure Drug Might Help Reduce Hospitalizations

WEDNESDAY, April 9, 2014 (HealthDay News) -- A drug often used to treat heart failure patients does little to lower cardiac arrest or death risk among people with a common form of the disease. But it does help reduce hospitalizations, a new study finds.

Certain Prescription Painkillers Tied to Higher Risk of Irregular Heartbeat: Study

WEDNESDAY, April 9, 2014 (HealthDay News) -- A long-term study suggests that older people who use common prescription painkillers, including prescription-strength ibuprofen, may be increasing their risk for developing a type of irregular heartbeat called atrial fibrillation.

Naps Enhance Learning for Young Children, Study Says

WEDNESDAY, April 9, 2014 (HealthDay News) -- Naps play a crucial role in helping infants and preschoolers remember things they've just learned, according to new research.

Aerobic Exercise May Help Older Women at Risk for Dementia

WEDNESDAY, April 9, 2014 (HealthDay News) -- Regular aerobic workouts increase the size of the brain's memory area in older women and may help slow the progression of dementia, according to a small new study.