Dementia warning

Aging populations of the world, beware: Disorders of memory and thinking will become much more common with more people living into their 90s, according to a long-term study in England and Wales.

Even people who reach age 80 free of Alzheimer’s disease or other dementias stand a good chance of later developing some form of mental incapacity, says a team led by epidemiologist Carol Brayne of the University of Cambridge in England.