The document discusses DHT (dihydrotestosterone) as the primary cause of hair loss in over 95% of cases. It attacks hair follicles, preventing growth and leading to baldness. The best way to stop hair loss is to use DHT blockers. There are natural DHT blockers that work without side effects, such as green tea, nettle root, he shou wu, saw palmetto, and pygeum extract. These herbs block DHT production and action to prevent hair fall.