New Mental Challenges Can Sharpen Aging Brain: Study

THURSDAY, Feb. 11, 2016 (HealthDay News) -- New mental challenges might help your mind stay sharp as you age, according to a small study.

Asthma May Raise Risk for Abdominal Aneurysm

THURSDAY, Feb. 11, 2016 (HealthDay News) -- People 50 and older who have had recent asthma activity appear to be at an increased risk of abdominal aortic aneurysm, a new study suggests.

Flu Shot May Guard Against Irregular Heart Rate: Study

WEDNESDAY, Feb. 10, 2016 (HealthDay News) -- Along with reducing your flu risk, a flu shot may protect you from a common heart rhythm disorder that significantly increases stroke risk, researchers report.

Dogs' IQs Can Vary, Study Shows

WEDNESDAY, Feb. 10, 2016 (HealthDay News) -- Dogs have different levels of intelligence that can be measured, and researchers say this new finding might one day help improve understanding of the link between health and intelligence in people.

Birth Defect Tied to Zika Virus Can Leave Children With Lifetime of Health Woes

TUESDAY, Feb. 9, 2016 (HealthDay News) -- The thousands of babies born in Brazil with abnormally small heads and brains -- believed to be caused by infection in the womb with the Zika virus -- typically face a lifetime of health challenges, doctors say.

Smog's Health Effects Persist for Decades, Study Finds

TUESDAY, Feb. 9, 2016 (HealthDay News) -- Air pollution can increase the risk of premature death, even decades later, one of the longest running air pollution studies suggests.

VA Hospital Care Improving, Study Suggests

TUESDAY, Feb. 9, 2016 (HealthDay News) -- Veterans Affairs hospitals seem to do just as well as other U.S. hospitals when it comes to treating older men with heart disease or pneumonia, a new study suggests.

Healthier Diets May Be Cutting Heart, Diabetes Risks in U.S. Teens

TUESDAY, Feb. 9, 2016 (HealthDay News) -- The severity of metabolic syndrome -- a cluster of health risk factors such as belly fat and poor cholesterol levels -- among U.S. teens has been improving, and researchers believe that healthier diets may be the reason why.

Spelling Prowess Relies on Multiple Brain Areas, Study Finds

MONDAY, Feb. 8, 2016 (HealthDay News) -- The brain relies on several areas on the left side (hemisphere) of the brain to spell words, a new study says.

Poor REM Sleep May Be Linked to Higher Risk for Anxiety, Depression

MONDAY, Feb. 8, 2016 (HealthDay News) -- REM (rapid eye movement) sleep is the phase when dreams are made, and a lack of good REM sleep has long been associated with chronic insomnia.