Researchers have known for years that social interactions, from book clubs to dancing to paying attention to vision and hearing, improves cognitive performance; this lecture explains why social relationships act like brain-boosting vitamins. Your friends will keep you young! Scientists have long understood that socializing with friends improves memory abilities, processing speeds, and even creativity. Recent findings reveal that short bursts of social interaction positively impact brain function - an effect that can last for hours. This lecture describes these extraordinary findings, outlining reasons why they work. The bottom line? Social interactions require large amounts of energy to maintain, faithfully giving [...]