Brains don’t all act their age

Amid the petty drama of internet arguments, one never fails to entertain me: Do millennials actually look younger than their age? Sunscreen, vaping, hair parting choices and Botox for people who don’t have wrinkles are used as evidence for and against this generational Dorian Graying. I can’t and won’t adjudicate this debate. But I can shift the conversation away from TikTok and inward to the brain.

Brain age isn’t a new concept, especially for people trying to make…