Low Blood Sugar May Affect Heartbeat in People With Diabetes

TUESDAY, April 22, 2014 (HealthDay News) -- Low blood sugar levels -- known as hypoglycemia -- in people with diabetes may cause potentially dangerous changes in heart rate, according to a small new study.

Certain Type of Brain Malformation May Be Best Left Alone

TUESDAY, April 22, 2014 (HealthDay News) -- People with abnormal connections between arteries and veins in the brain may be less likely to suffer a stroke or die if they don't undergo any procedures to correct the problem, new research suggests.

Thinking, Memory Problems Tied to Blockages in Neck Artery

MONDAY, April 21, 2014 (HealthDay News) -- Blockage of the carotid artery in the neck appears to increase the odds for memory and thinking problems, a new study indicates.

Adjusting Your Thermostat Might Improve Your Thinking

MONDAY, April 21, 2014 (HealthDay News) -- You think best when the air temperature is at a level that makes you feel the most comfortable, new research suggests.

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.

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.

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.

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.