PSYDEAN This personality trait increases the odds of reaching 85-years-old by up to 70 percent. Optimism is one of the healthiest traits to have in a partner, new research finds. People married to an optimistic person have a reduced risk of dementia and cognitive decline.

This personality trait increases the odds of reaching 85-years-old by up to 70 percent.

Optimism is one of the healthiest traits to have in a partner, new research finds.

People married to an optimistic person have a reduced risk of dementia and cognitive decline.