Fear Proves Prime Motivator for Vaccinations

FRIDAY, Sept. 16 (HealthDay News) -- Sometimes a little fear might be a good thing.

Health Tip: Is It Arthritis That's Irritating Your Knee?

(HealthDay News) -- Arthritis can affect any joint, but weight-bearing joints such as the knee are particularly vulnerable.

Health Tip: Help Ease Morning Sickness

(HealthDay News) -- During the first trimester of pregnancy in particular, hormonal changes are responsible for nausea and vomiting that's often labeled "morning sickness."

Fall-Prone Seniors May Have Trouble Adjusting to Poorer Vision

FRIDAY, Sept. 16 (HealthDay News) -- Fall-prone older adults may be more at risk for taking a tumble because they don't slow their walking speed when their vision is impaired, a small new study suggests.

Gene Variant May Raise Death Risk After Heart Bypass

FRIDAY, Sept. 16 (HealthDay News) -- People who carry a certain genetic variant involved in blood clotting and inflammation have a lower five-year survival rate after coronary artery bypass surgery, researchers report.

Accidental Medication Poisonings in Kids on the Rise

FRIDAY, Sept. 16 (HealthDay News) -- Despite ongoing prevention efforts, a growing number of young children are being accidentally poisoned with medications, according to new research.

Cholesterol Deposits Around Eyes Linked to Heart Risk

THURSDAY, Sept. 15 (HealthDay News) -- Men and women who develop visible deposits of cholesterol in the skin around their eyelids appear to face a higher risk of heart disease in general and suffering a heart attack in particular, new Danish research suggests.

Wikipedia Accurate on Cancer Facts, But Hard to Read: Study

THURSDAY, Sept. 15 (HealthDay News) -- The facts about cancer found on the website Wikipedia are about as accurate as the information on the disease found on the patient-oriented section of the U.S. National Cancer Institute's Physician Data Query (PDQ), a comprehensive peer-reviewed cancer database, according to a new study.

Few Suicidal Teens Get the Help They Need

FRIDAY, Sept. 16 (HealthDay News) -- Although the U.S. Centers for Disease Control and Prevention reports that suicide is the third leading cause of death for people aged 15 to 24 years, a new study shows few suicidal teens are getting the mental health treatment they need.

Hysterectomies Not Well Understood by U.S. Women

FRIDAY, Sept. 16 (HealthDay News) -- Although there are more hysterectomies in the United States than in any other industrialized nation in the world, many American women do not have a clear understanding of the procedure and how it will affect their bodies, according to a new study.

U.N. Summit Seeks to Tame 'Non-Communicable Diseases'

FRIDAY, Sept. 16 (HealthDay News) -- Heart disease. Cancer. Lung disease. Diabetes.

Family of Four Has Its Genome Sequenced

FRIDAY, Sept. 16 (HealthDay News) -- After John West, an executive in the genetics industry, suffered two pulmonary embolisms in 2003 because of a genetic mutation he carries, he decided to have his two children tested to see if they had inherited the same vulnerability for dangerous blood clots.

Dementia Patients Seem to Benefit From Small Group Homes

FRIDAY, Sept. 16 (HealthDay News) -- People with dementia appear to be better off in small group homes rather than large nursing homes because they offer a domestic environment where patients can live as individuals, new research suggests.

Research Reveals Why Hungry People Get Cranky

FRIDAY, Sept. 16 (HealthDay News) -- When people are hungry, they are more likely to be angry or aggressive. And now researchers have found the reason why: serotonin levels -- a hormone that helps regulate behavior -- fluctuate when people are stressed out or haven't eaten, according to a new study.

Health Highlights: Sept. 16, 2011

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