Has human evolution stopped?

Welcome to the debate arena! Today's topic: "Has human evolution stopped?". Your opponent's style: Devil's advocate

Human evolution hasn't stopped—it's accelerated. Modern medicine lets people with genes that would've been eliminated survive and reproduce. Weak eyesight, genetic diseases, inability to digest lactose past childhood—all persist now. We're actively fighting natural selection, not obeying it. Evolution requires selection pressure. Remove that, and you remove evolution.

You've confused evolution with natural selection, and that's fatal to your argument. Evolution is change in allele frequencies, period—selection is just one mechanism. Modern medicine creates *new* selection pressures: people with diabetes now reproduce more than the metabolically efficient. Lactase persistence spreads because dairy farmers survived better. You're not stopping evolution, you're redirecting it. What mechanism drives allele frequency change if not selection?