Clearing Kids for Sports Participation Sparks Conflicts

THURSDAY, Sept. 9 (HealthDay News) -- Most teenagers think they're invincible, and that goes double for talented teenage athletes. They're young, immortal, at the top of their game, the envy of their friends.

Back to School Can Mean a Return to Head Lice Worries

FRIDAY, Sept. 10 (HealthDay News) -- They're the ultimate creepy crawler. Creatures that truly give people the willies. And they're apt to make you feel unclean, or maybe even a bad parent (neither of which, experts say, is valid).

Kids' Habit of Wallowing Caters to Lice

FRIDAY. Sept. 10 (HealthDay News) -- For Lisa Byrns, a school nurse, dealing with head lice brings out the investigator in her.

Health Tip: Managing Pancreatitis

(HealthDay News) -- Pancreatitis occurs when the pancreas, a gland near the stomach that helps you digest food, becomes inflamed.

Health Tip: Control Blood Pressure Before Pregnancy

(HealthDay News) -- If you have high blood pressure, it's important to get it under control before you become pregnant. High blood pressure during pregnancy can be dangerous for both mom and baby.

Unneeded Hospital Transfers Add to U.S. Health-Cost Burden, Study Says

FRIDAY, Sept. 10 (HealthDay News) -- Reducing the unnecessary transfer of patients between hospitals (secondary over-triage) may be a way to decrease U.S. health-care system costs, a new study suggests.

Distrust of Hospitals May Deter Black Blood Donors: Study

FRIDAY, Sept. 10 (HealthDay News) -- Significant distrust of the health-care system is a major reason why black Americans donate blood at lower rates than whites, says a new study.

Multivitamins Don't Reduce Colon Cancer Death Risk

FRIDAY, Sept. 10 (HealthDay News) -- Taking multivitamins does not reduce colorectal cancer patients' risk of dying or, among survivors, the likelihood that the cancer will return, a new study shows.

Male Partners May Be Key Influence on Birth Control Use

FRIDAY, Sept. 10 (HealthDay News) -- Young women are more likely to use birth control if their partners are in favor of it, new study findings suggest.

Appetite Hormone Levels May Influence Weight 'Regain'

FRIDAY, Sept. 10 (HealthDay News) --Some dieters may be more likely than others to regain any excess pounds they've lost, depending on their particular hormonal makeup, new Spanish research cautions.

Can Basic Physical Tests Help Predict Death Risk?

FRIDAY, Sept. 10 (HealthDay News) -- Testing simple physical abilities may help predict a person's risk of death, suggests a new study.

In Sudden Cardiac Arrest, Chest Compressions Matter

FRIDAY, Sept. 10 (HealthDay News) -- Patients who experience sudden cardiac arrest outside of a hospital setting fare just as well when treated with chest compressions before being treated with an electrical defibrillator as they do when getting immediate defibrillation, new research indicates.

Heavy Drinking Part of Social Acceptance for Young: Study

FRIDAY, Sept. 10 (HealthDay News) -- Many young people consider getting drunk an important part of being accepted as part of a social group, a factor that needs to be considered when creating anti-drinking campaigns, a British researcher says.

New On the Menu: Genetically Modified Salmon?

FRIDAY, Sept. 10 (HealthDay News) -- The U.S. Food and Drug Administration may soon approve genetically modified salmon for humans to eat, a prospect that is raising concern among some consumer advocates who consider the fish a threat to both health and the environment.

Health Highlights: Sept. 10, 2010

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

Clinical Trials Update: Sept. 10, 2010

(HealthDay News) -- Here are the latest clinical trials, courtesy of

Stenting Riskier for Older Patients With Blocked Carotid Artery

FRIDAY, Sept. 10 (HealthDay News) -- For patients aged 70 and older who have a blocked neck artery, inserting a stent to reopen the artery is riskier than surgically widening the artery, a new study finds.

Chemical Poisoning Treatment Approved for Children

FRIDAY, Sept. 10 (HealthDay News) -- A treatment for poisoning from pesticides and similar chemicals has been approved by the U.S. Food and Drug Administration for use in children, nearly 50 years after it was first approved for adults.