Polyp Removal Doesn't Always Signal Raised Colon Cancer Risk, Study Says

WEDNESDAY, Aug. 27, 2014 (HealthDay News) -- Doctors may be performing too many repeat colonoscopies on people who've had pre-cancerous polyps removed during an earlier colon cancer screening, a new Norwegian study suggests.

MERS Virus Doesn't Seem to Spread Easily, Study Finds

WEDNESDAY, Aug. 27, 2014 (HealthDay News) -- People infected with the Middle East Respiratory Syndrome (MERS) virus are unlikely to pass it to others in their household, a new study suggests.

'Half a Glass' Rule May Curb Overdrinking

WEDNESDAY, Aug. 27, 2014 (HealthDay News) -- Pouring half a glass of wine at a time may keep you from drinking too much, according to a new study.

Light Therapy a Good Option for Pre-Cancerous Skin Lesions, Study Says

WEDNESDAY, Aug. 27, 2014 (HealthDay News) -- Treating pre-cancerous skin spots with a type of light therapy may be more effective than the usual therapy -- freezing the lesions with liquid nitrogen, a new study suggests.

Overconfident Folks May Blind Others to Their Real Abilities

WEDNESDAY, Aug. 27, 2014 (HealthDay News) -- Overconfident people are better at convincing others that they're more talented than they really are, and therefore are more likely to get promotions and reach high-level positions, a new study indicates.

Study: Young Adults Who Had Depression Have 'Hyper-Connected' Brain Networks

WEDNESDAY, Aug. 27, 2014 (HealthDay News) -- Young adults who struggled with depression in adolescence appear to have "hyper-connected" networks in their brain, researchers are reporting.

Scientists 'Rewrite' Bad Memories in Mice

WEDNESDAY, Aug. 27, 2014 (HealthDay News) -- Someone who has been mugged in a dark alley will likely never want to return there, having associated that location with a fear of being attacked.

Do Antidepressants in Pregnancy Raise Risks for Mental Woes in Kids?

WEDNESDAY, Aug. 27, 2014 (HealthDay News) -- There's been controversy for years over whether the use of common antidepressants by women during their pregnancies might raise the odds of mental health issues in their children.

Sleep Apnea Treatment Helps Seniors, Study Finds

WEDNESDAY, Aug. 27, 2014 (HealthDay News) -- A new study finds that continuous positive airway pressure (CPAP) is an effective treatment for seniors with sleep apnea.

Everest Study Finds High Altitude Affects Blood Pressure

WEDNESDAY, Aug. 27, 2014 (HealthDay News) -- In a new study done from the heights of Mount Everest, Italian researchers found that your blood pressure steadily increases if you ascend to great heights.

Scientists Spot Genetic Clues to Crohn's Disease

WEDNESDAY, Aug. 27, 2014 (HealthDay News) -- A new genetic discovery about Crohn's disease could lead to different ways to fight the bowel disorder, researchers report.

Health Highlights: Aug. 26, 2014

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

Health Tip: Do You Talk in Your Sleep?

(HealthDay News) -- Talking during sleep can affect your ability to feel rested the next day, not to mention that it can keep your partner awake.

Health Tip: Preparing for the First Day of School

(HealthDay News) -- Your child may be excited yet anxious about school, especially if he or she is going to a new school.