Gene possibly linked to depression identified

Scientists in Scotland have identified a gene that they think could be part responsible for depression.

Study: Exercise may slow mental decline by 10 years

Exercise can slow cognitive decline in older people by 10 years, researchers at the University of Miami found in a recent study.

Study: Learning New Skills Keeps Aging Mind Sharp.

A new study shows that elderly adults who challenge their minds with increasingly difficult tasks maintain cognitive functioning better than those who do less demanding activities.
To keep our brains sharp as we age, we are often told to keep our minds active; “use it or lose it.” There actually is little scientific evidence to support that, however, according to psychologist Denise Park of the University of Texas at Dallas.
“Partially because it is very, very hard to do experiments with humans, where you randomly assign them to conditions where, say, you retire young, you do not retire; you do interesting things, you do boring things,” said Park.