It’s one of the classic old wives’ tales: You should wait 30 minutes after eating to take a dip in the pool because as your body digests food, you’re more likely to get cramps and drown. Luckily for people who like to eat backyard burgers and then dive into the water, this is pure myth. According to Snopes, this myth started in a 1908 handbook “Scouting for Boys,” which stated you had to wait an hour and a half after eating, lest you get a cramp, drown and die. However, these stomach cramps caused by digestion aren’t even a proven fact and even if they were, even the worst charley horse wouldn’t cause you to slip underneath the waves.