Myth or Fact: Healthy Habits admin - 0 Cracking your knuckles causes arthritis. Fact Myth None Drinking eight glasses of water a day is a strict requirement for good health. Fact Myth None Eating after 8 PM causes weight gain. Fact Myth None Shaving causes hair to grow back thicker and darker. Fact Myth None Washing your hands with soap is more effective than using hand sanitizer. Fact Myth None Time's up
