Study Compares Tissue-Based or Mechanical Replacement Heart Valves

THURSDAY, Oct. 2, 2014 (HealthDay News) -- When the heart's aortic valves cease to work properly, surgeons often use replacement valves to help restore proper cardiac function.

 Smoke-Free Subsidized Housing Could Save Nearly $500 Million

THURSDAY, Oct. 2, 2014 (HealthDay News) -- Making all government-subsidized housing in the United States smoke-free could save nearly half a billion dollars a year in health care and housing-related costs, a new study indicates.

 Human Brain's Cerebellum Evolved at Surprising Speed, Study Finds

THURSDAY, Oct. 2, 2014 (HealthDay News) -- The size of the cerebellum in the brains of apes and humans grew six times faster during evolution than previously believed, researchers report.

 Most Who Abuse Painkillers Are Unprepared If Overdose Strikes: Study

THURSDAY, Oct. 2, 2014 (HealthDay News) -- Although teens and young adults who abuse prescription painkillers face a high risk of overdose, most don't know how to respond when one occurs, new research shows.

 2nd Possible Ebola Patient Being Monitored in Texas

THURSDAY, Oct. 2, 2014 (HealthDay News) -- Health officials in Texas are closely monitoring a potential second Ebola patient who had close contact with Thomas Eric Duncan, the first person to be diagnosed with Ebola in the United States, according to news reports.

 Health Highlights: Oct. 2, 2014

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

 Health Tip: Choosing Mouth-Healthy Foods

(HealthDay News) -- For healthier teeth and gums, choose foods and beverages that are friendlier to your mouth.

 Health Tip: If Your Child's Grades Are Dropping

(HealthDay News) -- If your child is suddenly struggling with school performance, the cause may be a physical health problem.

 42 States Reporting Respiratory Virus That Targets Kids

WEDNESDAY, Oct. 1, 2014 (HealthDay News) -- Forty-two states and the District of Columbia now have a total of 500 confirmed cases of Enterovirus D68, the severe respiratory illness that has been infecting children since the summer, U.S. health officials reported Wednesday.

Yesterday

 Kids With Autism Tend to Be Less Active, Study Says

WEDNESDAY, Oct. 1, 2014 (HealthDay News) -- Children with autism are more sedentary than those without the disorder, but they're fully capable of being more active, a small study suggests.

 Free, Long-Acting Contraceptives May Greatly Reduce Teen Pregnancy Rate

WEDNESDAY, Oct. 1, 2014 (HealthDay News) -- Giving teenage girls free birth control -- especially long-acting implanted devices -- could slash pregnancy and abortion rates to well below the current U.S. average, new findings suggest.

 Infant's Early Diet Doesn't Change Celiac Disease Risk, Study Finds

WEDNESDAY, Oct. 1, 2014 (HealthDay News) -- A newborn's risk of developing celiac disease isn't reduced by breast-feeding. Nor will delaying the introduction of a protein found in wheat called gluten to an infant's diet help prevent celiac disease.

 Living Near a Highway May Be Bad for Your Blood Pressure

WEDNESDAY, Oct. 1, 2014 (HealthDay News) -- Living close to a major highway may raise your risk for high blood pressure, a new study suggests.

 Jealous, Moody Women May Face Higher Alzheimer's Risk, Study Says

WEDNESDAY, Oct. 1, 2014 (HealthDay News) -- Middle-aged women with a neurotic personality style and prolonged stress may have a heightened risk of developing Alzheimer's disease, new research suggests.

 'High-Intensity' Hospitals Save More Elderly After Surgery: Study

WEDNESDAY, Oct. 1, 2014 (HealthDay News) -- Hospitals that pull out all the stops to rescue surgical patients in crisis are slightly better at saving lives, but the cost of such heroism is questionable, a new study suggests.

 CDC Monitoring Those Who Had Contact With Ebola Patient

WEDNESDAY, Oct. 1, 2014 (HealthDay News) -- Federal health officials are monitoring up to 18 people who were exposed to the man being treated at a Dallas hospital for the first confirmed case of Ebola in the United States.

 Genes May Make Some More Prone to Heart Disease When Under Stress

WEDNESDAY, Oct. 1, 2014 (HealthDay News) -- Genes may interact with stress to trigger heart disease in some people, a new study suggests.

 Could a Fading Sense of Smell Point to Earlier Death?

WEDNESDAY, Oct. 1, 2014 (HealthDay News) -- Older adults who have trouble smelling the roses -- literally -- may face an increased risk of dying in the next several years, new research suggests.

 New Clues to How Colds Can Spur Asthma Attacks

WEDNESDAY, Oct. 1, 2014 (HealthDay News) -- Scientists have pinpointed a molecule that may trigger potentially life-threatening asthma attacks brought on by colds.