TUESDAY, Aug. 31 (HealthDay News) -- People who "hook up" for casual sex can have as rewarding a long-term relationship as those who take it slowly and establish a meaningful connection before they have sex, says a new study.

(HealthDay News) -- Ringworm is a fungal skin infection.

(HealthDay News) -- People with dementia may no longer be able to drive safely. Recognizing this may be a very difficult conclusion, the U.S. National Library of Medicine says.

TUESDAY, Aug. 31 (HealthDay News) -- The hearts of triathletes adapt to the rigors of training and competition by becoming more efficient, which suggests that combining endurance and resistance training may be the best way to achieve optimal heart health, researchers say.

MONDAY, Aug. 30 (HealthDay News) -- Genetic variations on a specific chromosome appear to play a role in a fatal motor neuron condition known as amyotrophic lateral sclerosis, or Lou Gehrig's disease, two teams of scientists have found.

TUESDAY, Aug. 31 (HealthDay News) -- Certain types of exercise may help ease stiffness and pain in dogs with arthritis, a new study suggests.

TUESDAY, Aug. 31 (HealthDay News) -- The nation's leading group of pediatricians has issued a strong policy statement directed toward pediatricians, parents and the media on the danger of messages American teens and children are getting about sex from television, the Internet and other media outlets.

TUESDAY, Aug. 31 (HealthDay News) -- A home-based program designed to improve life for dementia patients and their caregivers offers some benefits, finds a new study.

TUESDAY, Aug. 31 (HealthDay News) -- There's no evidence that popular cholesterol-lowering statins cause cancer, says a review that challenges earlier research raising concerns that the drugs may be associated with an increase in cancer and cancer-related deaths.

TUESDAY, Aug. 31 (HealthDay News) -- Personal music players may pose a major risk to hearing if they're played too loudly or for too long, researchers report.

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

TUESDAY, Aug. 31 (HealthDay News) -- Exercise can reduce a person's genetic predisposition to obesity by 40 percent, finds a new English study.

TUESDAY, Aug. 31 (HealthDay News) -- Eating a wide variety of fruits and vegetables may help protect some smokers from lung cancer, a new European study suggests.

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

TUESDAY, Aug. 31 (HealthDay News) -- Residents of the U.S. East Coast need to take steps to prepare for Hurricane Earl, say Federal Emergency Management Agency (FEMA) officials.

TUESDAY, Aug. 31 (HealthDay News) -- Eating a diet rich in fruits and vegetables and low in saturated fats can significantly lower the risk of heart attack for people with mildly elevated blood pressure, Johns Hopkins University researchers say.

TUESDAY, Aug. 31 (HealthDay News) -- Infants born preterm or later than term are at slightly greater risk of developing cerebral palsy, Norwegian researchers report.

TUESDAY, Aug. 31 (HealthDay News) -- Women who carry genetic mutations that boost their odds of breast and ovarian cancer can live longer and reduce their cancer risk by having preventive surgery, a new study suggests.