In the 1900s, hospitals used to prioritize sun exposure as part of the healing process.Florence Nightingale wrote it herself: "Direct sunlight is necessary for speedy recovery." Entire wards were designed around windows. London hospitals had departments dedicated to sun therapy.But somewhere along the way, we replaced sun exposure with fluorescent lights and called it "healthy".Modern medicine got very good at curing things, but in doing so, it stopped prioritizing an environment that healed peo