A bigger predictor than cholesterol level at age fifty for health at age eighty is the quality of your relationships. Good relationships protect your brain. Especially in their eighties, a person who feels they are in an attached relationship, where they can count on the other person in times of need, will retain sharper memories for longer and better overall health. The Beatles were right about this (and so many other things): Love is the most important thing. A second important pillar of happiness is finding a way of coping with life that does not push love away.
