Researchers studied over 100,000 people to find the risk factors for dementia.
Reggie Griffiths lacks an important enzyme in his body, and it is slowly killing his brain cells.
Studies suggested drinking in moderation could lower the risk of dementia, while not drinking alcohol and drinking heavily could have the opposite effect. Scientists wanted to find out why.
Scientists studied thousands of elderly people in New York City to arrive at their conclusion.
Researchers believe the levels of estrogen which the body creates during pregnancy could explain this association.
Having high levels of body fat and low muscle mass could pose a double threat to cognitive health, scientists fear.
Researchers found aspirin appeared to stimulate a part of the cells that clear debris in mice brains.
Researchers investigated the link between junk foods, ageing and markers of Alzheimer's disease in the brain.
Scientists investigated cells known as microglia, which are believed to play a role in the development of dementia.
Their results showed that patients with hypertension had significant changes. They also scored far worse on tests that looked at memory and learning.
Growing evidence suggests there is a link between how much we sleep and our risk of developing dementia.
Evidence suggests that diabetes drugs might be an effective treatment for Alzheimer's patients.
Researchers believe alcohol impedes cells in the brain from clearing plaque linked to the development of Alzheimer's disease.
The findings highlight the importance of catching symptoms of cognitive decline early, experts said.
Researchers have investigated whether anxiety is a precursor or risk factor of dementia.
14 million Americans are expected to have Alzheimer's by 2050.
The researchers looked at data spanning more than four decades.
Certain molecules found in blood could help with early detection and new treatments.
An outside researcher called this a "slam dunk" in showing that alcohol could increase dementia risk.
Study "makes a case for implementing a public health campaign against ageism."
Early signs of dementia are not the same as early-onset dementia.
A good excuse to go for a quick walk at lunch.
Skip the supplements and load up on spinach instead.