Health Tip: Coping With Hives

(HealthDay News) -- Hives are the result of an allergic reaction. They typically go away without treatment, but can be an itchy nuisance.

Health Tip: Why Gums Swell

(HealthDay News) -- Swollen gums are relatively common, but can signal an underlying health problem.

Many Depressed People Have Mild, Brief Episodes of Mania

TUESDAY, Aug. 17 (HealthDay News) -- Nearly 40 percent of Americans with major depression also have brief but recurring episodes of manic behavior, a new study suggests.

Cosmetic Surgery Not a Help for Body Dysmorphic Disorder

TUESDAY, Aug. 17 (HealthDay News) -- One in five people with a condition known as body dysmorphic disorder (BDD) undergo cosmetic procedures, but only 2 percent of them experience a reduction in the severity of their condition after their treatment, researchers say.

Positive Brain Changes Seen After Body-Mind Meditation

TUESDAY, Aug. 17 (HealthDay News) -- Positive brain changes take hold after just 11 hours of practicing a form of meditation, the results of a new study suggest.

Early Care Urged for Patients With Trouble Swallowing

TUESDAY, Aug. 17 (HealthDay News) -- Difficulty swallowing (also called dysphagia) is associated with poor outcomes in hospital patients, researchers warn.

When Doctors Admit Mistakes, Fewer Malpractice Suits Result, Study Says

TUESDAY, Aug. 17 (HealthDay News) -- When doctors make mistakes, admitting the error, saying "I'm sorry" and offering compensation may go a long way toward preventing malpractice lawsuits, new research shows.

Surgery Can Be Safe in Nations With Scarce Resources: Report

TUESDAY, Aug. 17 (HealthDay News) -- The organization known as Doctors Without Borders, or Medecins Sans Frontieres, performed nearly 20,000 procedures in countries with limited resources over an eight-year period, and reported an extremely low operative death rate, a new study has found.

Antibiotic Sponges Don't Benefit Heart Surgery Patients: Study

TUESDAY, Aug. 17 (HealthDay News) -- A surgically implanted antibiotic-infused sponge doesn't lower the rate of sternal wound infections in patients who've had heart surgery, a new U.S. study has found.

Beer Linked to Psoriasis in Women

TUESDAY, Aug. 17 (HealthDay News) -- Women who drink regular beer may be increasing their risk of developing psoriasis, an autoimmune disorder affecting the skin, new findings suggest.

Deaths From Heart Attack Rise With Delays in Care

TUESDAY, Aug. 17 (HealthDay News) -- Deaths from a severe type of heart attack rise by about 10 percent for every hour of delay between the time the patient calls for an ambulance and the time that patient is treated in the hospital, a new European study finds.

Poultry Litter Leaches Arsenic Into Streams, Rivers: Scientists

TUESDAY, Aug. 17 (HealthDay News) -- Poultry litter can be a significant source of arsenic in the farm field runoff that finds its way into streams and rivers, new research indicates.

Less Invasive Biopsies Gain Favor

TUESDAY, Aug. 17 (HealthDay News) -- Less invasive biopsies done with the help of imaging to guide the needle now make up the majority of biopsies being done, a new study finds.

Health Highlights: Aug. 17, 2010

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

1 in 5 U.S. Teens Has Developed Hearing Loss

TUESDAY, Aug. 17 (HealthDay News) -- The number of U.S. teenagers experiencing hearing loss increased about 30 percent from 1988 to 2006, so that one in five teens now has lost some hearing, researchers report.

Clinical Trials Update: Aug. 17, 2010

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