MONDAY, Nov. 29 (HealthDay News) -- Women have worse outcomes than men following surgery for peripheral arterial disease (PAD) in their lower extremities, a new study has found.

(HealthDay News) -- Fatty liver occurs when liver cells accumulate too much fat, potentially impacting the liver's ability to function.

(HealthDay News) -- When the mastoid bone in the skull becomes infected, it's called mastoiditis. Often it's triggered by an infection in the middle ear, and it's most common in children.

MONDAY, Nov. 29 (HealthDay News) -- Genetics influence a person's vitamin D levels during the winter while other factors have the greatest impact in the summer, the results of a new study indicate.

MONDAY, NOV. 29 (HealthDay News) -- Think twice before hauling used furniture into your home because it may be infested with bedbugs, warns a Loyola University Health System allergist.

MONDAY, Nov. 29 (HealthDay News) -- Three-quarters of U.S. emergency department directors say they don't have adequate on-call trauma surgeon coverage and nearly one-quarter say their hospital's trauma center designation has been downgraded or lost, a new survey finds.

MONDAY, Nov. 29 (HealthDay News) -- Patients who trust that their doctor would tell them about a medical error are much more forgiving than those who doubt their physician would own up to the mistake, a new study finds.

MONDAY, Nov. 29 (HealthDay News) -- The use of CT scans as a diagnostic tool is surging in emergency departments across the United States, new research indicates.

MONDAY, Nov. 29 (HealthDay News) -- Women who have had breast cancer should consider annual screening with breast MRI in addition to an annual mammogram, new research indicates.

MONDAY, Nov. 29 (HealthDay News) -- Smoking boosts the risk of rheumatoid arthritis in black Americans, and heavy smokers and those with a genetic risk factor for rheumatoid arthritis are among those most likely to develop the joint disease, a new study has found.

SUNDAY, Nov. 28 (HealthDay News) -- U.S. scientists say they have partially reversed age-related degeneration in mice, leading to new brain and testes growth, improved fertility and the return of lost cognitive function, or thinking skills.

MONDAY, Nov. 29 (HealthDay News) -- Eating disorders have risen steadily in children and teens over the last few decades, with some of the sharpest increases occurring in boys and minority youths, according to a new report.

MONDAY, Nov. 29 (HealthDay News) -- Children and teens who are overexposed to antibacterial soaps that contain the chemical triclosan may be at increased risk for hay fever and other allergies, a finding that suggests that being too clean can actually make people sick, researchers say.

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

MONDAY, Nov. 29 (HealthDay News) -- A study involving men and their mothers suggests a new function for the "love hormone" oxytocin in human behavior.

MONDAY, Nov. 29 (HealthDay News) -- Children who eat a diet rich in fruits and vegetables may be able to help ward off atherosclerosis in adulthood, a precursor of heart disease, a new study suggests.

MONDAY, Nov. 29 (HealthDay News) -- New research suggests that walking about five miles a week may help slow the progression of cognitive illness among seniors already suffering from mild forms of cognitive impairment or Alzheimer's disease.

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

MONDAY, Nov. 29 (HealthDay News) -- The prescription painkiller Celebrex might help prevent non-melanoma skin cancers, a small study suggests.