Encouraging people to eat more fruits and vegetables, and reduce meat intake could avert up to 26 million deaths per year and make food more affordable.
Study suggests those who walk slowly and have memory problems are at double the risk of developing dementia later in life.
Researchers have identified two blood proteins that influence health and longevity. Developing drugs to target these proteins could help slow the aging process.
Following a Mediterranean-style diet was linked to better memory and overall cognitive skills for adults in their late seventies.
Exposure to air pollution during childhood has a detrimental effect on cognition sixty years later.