Definition
An evolutionary theory explaining why we age: genes that boost survival and reproduction early in life can have harmful effects later. Natural selection favors genes that help you reproduce, even if they kill you afterward. Youth is borrowed time.
Example
"Testosterone is a classic example of antagonistic pleiotropy—great for building muscle in your 20s, potentially problematic for your prostate in your 60s."
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It's like buying a high-performance sports car that excels in the 0-60 rush but falls apart right after the extended warranty expires. The ROI on your human chassis didn't factor in the 'used' condition post-40s. "So you’re telling me antagonistic pleiotropy basically sold me a lemon when I thought I bought a rare collectible?"
Woohoo, evolution! Prioritizes you populating the planet, then basically flips you the bird after 40. Who cares if you fall apart like a bad IKEA chair, right? "Yeah, evolution's like, 'Antagonistic pleiotropy is a great idea!' while we suffer through life's terrible sequel."
Apparently, nature thinks it's hilarious to give us nifty genes to ensure we rock the cradle, only to yank the rug out from under us later. The plan: breed successfully, keel over heroically. "Dude, it's all about antagonistic pleiotropy. Nature’s way of saying, ‘Go forth and multiply—and, oh, by the way, good luck with those arthritis genes later.’"
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