Off Season May Not Be Long Enough to Recover From Football 'Hits'

THURSDAY, April 17, 2014 (HealthDay News) -- New research shows that the brains of some football players who had the usual head hits associated with the sport, but no concussions, still had signs of mild brain injury six months after the season ended.

Diabetes Complication Rates Drop Among U.S. Adults

WEDNESDAY, April 16, 2014 (HealthDay News) -- The rates of five serious complications from diabetes -- heart disease, stroke, kidney disease, amputations and death -- have all dropped dramatically since 1990, a new U.S. government study shows.

Key Brain 'Networks' May Differ in Autism, Study Suggests

WEDNESDAY, April 16, 2014 (HealthDay News) -- Differences in brain connectivity may help explain the social impairments common in those who have autism spectrum disorders, new research suggests.

Apathy Might Signal Brain Shrinkage in Old Age: Study

WEDNESDAY, April 16, 2014 (HealthDay News) -- Older adults who show signs of apathy tend to have a smaller brain volume than their peers with more vim and vigor, a new study suggests.

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.