Practicing optimism can increase both your healthspan and lifespan, as this positive trait has been linked to reductions in the risk of developing cardiovascular disease and stroke. People who are optimistic tend to live longer and have reduced rates of cognitive decline.

A large body of scientific research supports the idea that cardio exercise is vital to our heart and brain health. But some recent studies help to underscore just why exercise needs to play a role in everyone's life.

Eat 3 servings of fatty fish or take a high-quality fish or krill oil supplement to maintain adequate omega-3 levels and support cardiovascular, cellular, and cognitive health.

Mental flexibility tends to decline as we age.  Researchers have discovered that our weight, particularly our accumulated fat, is directly correlated to our cognitive abilities and our mental health.