(Associated Press) – About a million Americans a year are expected to develop dementia by 2060, roughly double today’s toll, researchers reported Monday.

That estimate is based on a new study that found a higher lifetime risk than previously thought: After age 55, people have up to a 4 in 10 chance of eventually developing dementia — if they live long enough.

It’s a sobering number but there are steps people can take to reduce that risk, such as controlling high blood pressure and other bad-for-the-brain health problems. And it’s not too late to try even in middle age. (Read More)