>>12540594The most likely situation is that people who were already operating at sub-par health found themselves better equipped to fight when they actually bothered to get slightly healthier for once. Your body does the healing, medicine just facilitates it. Using anecdotal evidence properly requires understanding the intersection, integrating multiple stories to find a non-contradictory explanation rather than expecting people to adequately refute each other all the time. Expect everyone to have sightly different health needs, and trust people if they tell you about their personal experience struggling with illness.