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.

WEDNESDAY, May 15 (HealthDay News) -- There's some good news for people who have had certain kinds of skin cancer: A new study suggests that their odds of developing Alzheimer's disease may be significantly lower than it is for others.

TUESDAY, May 14 (HealthDay News) -- An experimental drug improved the memory and brain function in older mice with advanced symptoms of Alzheimer's disease, according to a new study.

THURSDAY, May 9 (HealthDay News) -- About 13 percent of Americans 60 and older say they have increasing problems with thinking and memory and that they suffer growing confusion, a new report released Thursday shows.

WEDNESDAY, May 8 (HealthDay News) -- Elevated blood sugar levels may increase a person's risk for Alzheimer's disease, according to a new study.

MONDAY, May 6 (HealthDay News) -- Families with exceptional longevity also appear to have later onset of dementia, a new study suggests.

WEDNESDAY, May 1 (HealthDay News) -- Despite previous concerns, older people who receive general anesthesia are not at greater risk of developing long-term dementia or Alzheimer's disease, a new study says.

MONDAY, April 29 (HealthDay News) -- Eating fish, chicken, olive oil and other foods rich in omega-3 fatty acids while staying away from meats and dairy -- the so-called Mediterranean diet -- may help older adults keep their memory and thinking skills sharp, a large new U.S. study suggests.

THURSDAY, April 25 (HealthDay News) -- Insight into genes that play a key role in disrupting immune system pathways in the brains of people with Alzheimer's disease could offer a potential target for new drugs against the disease, two new studies show.

THURSDAY, April 25 (HealthDay News) -- Children with more severe concussion symptoms take longer to recover from their head injury than those with milder symptoms, a new study finds.