Good relationships are the key to happiness, according to psychiatrist Robert Waldinger. He leads the world's longest running study of happiness: the Harvard Study of Adult Development (ongoing since 1938). Read more in his book The Good Life. https://t.co/euB9KreZFh
The speed at which parts of your brain communicate changes as you grow older, and for some regions age 34 might be the peak of mental performance https://t.co/DeH2V36PVd