FRIDAY, July 30 (HealthDay News) -- Genetics may determine to what extent you're swayed by the alcohol consumption of people around you, new research suggests.

FRIDAY, July 30 (HealthDay News) -- Contrave, an experimental weight loss drug that combines an antidepressant with an anti-addiction medication, appears to help users shed pounds when taken along with a healthy diet and exercise, researchers report.

FRIDAY, July 30 (HealthDay News) -- Swimmers who dip into the pollution-free waters of sub-tropical beaches, such as those in southern Florida, face an elevated risk for developing gastrointestinal and/or respiratory illnesses, a new study indicates.

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

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

(HealthDay News) -- Though bad behavior may be a typical phase of childhood, certain signs can indicate something more serious.

FRIDAY, July 30 (HealthDay News) -- The increasing availability of direct-to-consumer genetic screening tests in the United States increases the risk that consumers will order inappropriate tests or misinterpret the results, warns the National Society of Genetic Counselors.

(HealthDay News) -- Sleep apnea, most often characterized by loud snoring, occurs when breathing pauses briefly or becomes shallow during sleep. This often results in poor sleep and can make a person very tired during the day.

FRIDAY, July 30 (HealthDay News) -- The new Affordable Care Act is likely to help 30 million women obtain better health insurance or coverage if they don't already have any, a new report shows.

FRIDAY, July 30 (HealthDay News) -- Many people who aspire to leadership actually want to help others, according to a new study that challenges the widespread belief that most leaders are selfish and egoistic.

THURSDAY, July 29 (HealthDay News) -- Although millions of people take calcium supplements to boost bone health and ward off osteoporosis, New Zealand researchers say the supplements have little effect on bone strength and contribute to a small increase in the risk for heart attack among older people.

THURSDAY, July 29 (HealthDay News) -- Evamist, a drug used to reduce menopause-related hot flashes in women, may harm children and pets who have skin contact with the drug, the U.S. Food and Drug Administration said Thursday.

THURSDAY, July 29 (HealthDay News) -- Doctors and patients are often out of sync with each other when it comes to what patients believe about their illnesses, including to what extent the patient is to blame and what's the best way to manage the problem, new research shows.

THURSDAY, July 29 (HealthDay News) -- The genetic makeup of breast cancer tumors may be a better predictor of how well a woman will fare than a tumor's size and appearance, which has been the traditional way of looking at cancers, new research suggests.

THURSDAY, July 29 (HealthDay News) -- Following a federal health panel's endorsement of the new blood thinner Brilinta Wednesday, cardiologists say the drug could be a welcome addition to treatments for heart patients.

THURSDAY, July 29 (HealthDay News) -- Children with brain injuries tend to be able to acquire the same language abilities as other children but have greater difficulty developing story-telling skills, a new study shows.

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