Ever wondered why ancestors digested milk effortlessly while many of us struggle with lactose intolerance today? Scientifically, it’s due to lacking lactase bacteria, which our forebears gained by closely caring for family cows—petting, bathing, and feeding them exchanged beneficial microbes, boosted cow serotonin, and prompted hormonal adaptations for healthier, human-friendly milk production. Fast-forward to factory farming: cows endure torture, separation from calves, and hormones, tainting m