Lonely individuals are twice as likely to be diagnosed with Alzheimers disease as those who are not lonely, according to a new study.

A longevity gene credited with long life may also help older people think clearly and preserve their memories -- offering new clues about the agingaging process.

A newly identified imaging compound that shows how Alzheimers disease ravages the brain could lead to better tools to diagnose the disease and better ways to evaluate new treatments.

The sex hormone testosterone may help guard against Alzheimers disease, based on lab tests in mice.

Telltale proteins in fluid around the brain and spinal cord may lead to a new test for Alzheimers disease.

Telltale proteins in fluid around the brain and spinal cord may lead to a new test for Alzheimers disease.

Dementia may be set to rise as more people live longer, a study shows.

A marijuana-like compound may cut brain inflammation and slow the progression of Alzheimers disease, scientists report.

The FDA approved Aricept to treat severe Alzheimers dementia, making Aricept the first and only drug approved for all stages of Alzheimers dementia.

The antipsychotic drugs Zyprexa, Seroquel, and Risperdal may help some Alzheimers patients, but their side effects should be carefully weighed, a new study shows.

Two new studies offer preliminary evidence that dietary choices could help prevent age-related mental decline or slow its progression.

THC, the key compound in marijuana, blocks Alzheimers plaques better than currently approved drugs, a Scripps Research study shows.

A drug that ups insulin signaling in the brain might stop early Alzheimers disease in its tracks, studies with rats suggest.

Lab tests in Neuron show that a brain protein may cut the building blocks of brain plaque tied to Alzheimers disease and may spur new treatments.

Alzheimers patients feel pain -- but because its hard for them to tell anyone about it, their pain is undertreated, say Australian researchers.

Red wine might put help prevent the formation of brain proteins tied to Alzheimers disease, a new study shows.

If older adults say they have significant memory problems, monitor those problems, even if their memory test scores are normal.

A subtle speeding up of weight loss that can accompany aging may be a very early warning sign of Alzheimers disease, new research suggests.

Drinking fruit or vegetable juice at least three times a week may reduce the risk of Alzheimers disease by up to 76%, researchers report.

A new skin test confirms a diagnosis of early Alzheimers disease, report researchers at Blanchette Rockefeller Neurosciences Institute in Rockville, Md.