40s

Couples who meet in their 30s or 40s are less likely to use condoms than younger counterparts, a study suggests.

People with high cholesterol in their early 40s are more likely to develop Alzheimer's disease than those with low cholesterol, according to research that will be presented at the upcoming American Academy of Neurology 60th Anniversary Annual Meeting in Chicago, April 12-19, 2008.

People who have big bellies in their 40s are much more likely to get Alzheimer's and other forms of dementia in their 70s, according to new research that links the middle-aged spread to a fading mind for the first time.

People who have big bellies in their 40s are much more likely to get Alzheimer's disease and other forms of dementia in their 70s, according to new research that links the middle-age spread to fading minds for the first time.