It turns out longevity boosters like Aubrey de Grey — the scientific community's answer to Alan Moore — may be very wrong about how to live longer.

Our brains don't like being overfed, as obesity can age the brain prematurely and even make it more vulnerable to Alzheimer's and Parkinson's. Now we've discovered the opposite effect: a strict diet turns on molecules that keep the brain young.

A new study has confirmed that primates who eat a low-calorie diet can, according to researchers, "slow the aging process." Restricting your calorie intake means you're three times less likely to develop age-related disorders, particularly in the brain.