Health Tip: Be a Responsible Driver

(HealthDay News) -- A license to drive offers many benefits, but a lot of responsibility, too.

Health Tip: Warning Signs of Foot Arthritis

(HealthDay News) -- Arthritis is a painful joint condition, and the feet are common hosts.

Support for Tougher Liquor Laws Rises When Booze, Crime Linked

WEDNESDAY, Feb. 22 (HealthDay News) -- News coverage of alcohol's role in violent crime and fatal accidents may persuade the public to give stronger support to alcohol-control laws, new research suggests.

Endometriosis Could Raise Risk of 3 Ovarian Cancers

WEDNESDAY, Feb. 22 (HealthDay News) -- Women with a history of endometriosis have a significantly increased risk of developing three types of ovarian cancer, according to a new study.

Researchers Spot New Gene Mutation Linked to Breast Cancer

WEDNESDAY, Feb. 22 (HealthDay News) -- Scientists have identified a new gene mutation linked to breast cancer.

Migraines May Raise a Woman's Odds of Depression

WEDNESDAY, Feb. 22 (HealthDay News) -- As if the debilitating headaches weren't bad enough, women who get migraines or have had them in the past are at increased risk for depression, a new study suggests.

More Doubt on Link Between a Blood Chemical and Heart Disease

TUESDAY, Feb. 21 (HealthDay News) -- Having high levels of the amino acid homocysteine won't raise your risk of developing heart disease, a new analysis indicates.

Mammograms Can Save Lives of Women in Their 40s: Study

WEDNESDAY, Feb. 22 (HealthDay News) -- Breast cancers in women aged 40 to 49 that are diagnosed by mammograms have a better prognosis than those detected by doctors or the women themselves, a new study indicates.

Toddlers With Angry Parents May Have More Temper Tantrums

WEDNESDAY, Feb. 22 (HealthDay News) -- Toddlers are more likely to become easily upset and act out if their parents anger quickly and overreact to their children's behavior, according to a new study involving adopted youngsters.

New Guidelines Seek to Prevent Sudden Death in Young Athletes

WEDNESDAY, Feb. 22 (HealthDay News) -- New guidelines outlining the causes and prevention of sudden death among athletes were released this week by the National Athletic Trainer's Association (NATA) in the United States.

Hospitals Ranked for Emergency Medicine Quality

WEDNESDAY, Feb. 22 (HealthDay News) -- Patients admitted to the top hospitals for emergency medicine in the United States have a nearly 42 percent lower death rate than those admitted to other hospitals in the nation, according to a new report.

Laughing in the Face of Dental Fear May Ease Worries

WEDNESDAY, Feb. 22 (HealthDay News) -- If you're afraid of going to the dentist, optimism and humor might help ease your worries, new research suggests.

Exercise in Pregnancy Safe for Baby, Study Finds

TUESDAY, Feb. 21 (HealthDay News) -- Exercising at moderate or -- for very active women -- even high intensity during pregnancy won't hurt your baby's health, a new study finds.

Health Highlights: Feb. 22, 2012

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

FDA Advisers Back Weight-Loss Drug Qnexa

WEDNESDAY, Feb. 22 (HealthDay News) -- A U.S. Food and Drug Administration advisory panel gave its blessing Wednesday to a highly anticipated weight loss pill that had been rejected by health advisers once before.

Studies Offer More Evidence That Colonoscopy Saves Lives

WEDNESDAY, Feb. 22 (HealthDay News) -- It's been found that removing precancerous polyps during colonoscopies can prevent deadly malignancies from developing. Now, new long-term research supports the idea that the screening test not only prevents colorectal cancers, but dramatically cuts deaths from the disease.

New Melanoma Drug May Extend Survival

WEDNESDAY, Feb. 22 (HealthDay News) -- Melanoma that has spread to other areas of the body is almost always fatal, but a new drug appears to double survival for those with a certain type of this skin cancer, researchers report.

Men's Legs May Be New Source for Hair Transplants

WEDNESDAY, Feb. 22 (HealthDay News) -- Doctors may have a leg up on baldness: Transplanting hair from a patient's legs to his head for what may be a more natural look.

All U.S. Adults Should Get Whooping Cough Shot: Panel

WEDNESDAY, Feb. 22 (HealthDay News) -- U.S. health experts recommended Wednesday that all adults get vaccinated against whooping cough (pertussis), an infectious bacterial disease that triggers uncontrollable coughing and is especially dangerous to infants.