SUNDAY, May 19 (HealthDay News) -- Sleep apnea, the condition that robs sufferers of deep sleep by endlessly and subconsciously waking them up, becomes more common as people age. Now, a small new study raises the possibility that it may somehow cause -- or be caused by -- Alzheimer's disease.

FRIDAY, May 17 (HealthDay News) -- As the American Psychiatric Association unveils the latest edition of what is considered the "bible" of modern psychiatry this weekend, the uproar over its many changes continues.

FRIDAY, May 17 (HealthDay News) -- Alcoholics who smoke have more problems with memory, problem solving and quick thinking than those who are nonsmokers, researchers have found.

FRIDAY, May 17 (HealthDay News) -- There are apps that turn your smartphone into a metal detector, a musical instrument and a GPS system, and now there's an app that may help doctors save your life if you're having a heart attack.

FRIDAY, May 17 (HealthDay News) -- After age 50, excess body fat hardens the arteries, potentially increasing the risk of dying from cardiovascular disease, according to a new study.

FRIDAY, May 17 (HealthDay News) -- Management of heart disease risk factors -- such as high cholesterol, high blood pressure and smoking -- varies significantly among outpatient practices in the United States, according to a new study.

FRIDAY, May 17 (HealthDay News) -- New research suggests the dominant side of your brain may make the call on which ear you choose to use while talking on your cellphone.

THURSDAY, May 16 (HealthDay News) -- Women in their 40s and 50s who suffer from depression are almost twice as likely to have a stroke as women who aren't depressed, according to a large, long-running Australian study.

THURSDAY, May 16 (HealthDay News) -- Having a fast-food restaurant nearby might be a convenience, but living within two miles of one may be a little too convenient.

THURSDAY, May 16 (HealthDay News) -- As many as one in five American children under the age of 17 has a diagnosable mental disorder in a given year, according to a new federal report.