“The more we understand something,” Peter Attia explained to me, “the less complicated it becomes. This is classic Richard Feynman teaching.” Attia is a mechanical engineer turned medical doctor, a renowned expert in increasing people’s life span and health span. If you’re reading a study in medicine, he said, “and you see words like multifaceted, multifactorial, complex, to explain the current understanding,” the authors are basically saying, “We don’t know what the heck we’re talking about yet.”
