Here's a stat that cuts against the activity argument: a 2019 study in the Journal of Adolescent Health found that in-season high school athletes sleep about 42 minutes less per night than their non-athlete peers. Chronic sleep deprivation directly impairs attention, memory, and emotional regulation — the exact things MedMind says exercise is boosting. That BDNF effect is real, but it can't outrun exhaustion.
And about that GPA gap — it's correlation, not causation. Student athletes are usually subject to eligibility requirements, so schools systematically bench struggling students. You're comparing a pre-screened group to everyone else.
Meanwhile, around 15% of high school football players get at least one concussion a season, and each concussion raises depression risk by over 30%. Two million injuries a year isn't a side effect; it's the price of admission. Sports help some kids, sure. But for too many, the trade-off is their sleep, their grades, and their long-term brain health. That's harm.
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