Moms lie.
There's an old suburban legend that goes like this: You must wait 30 minutes after eating to go for a swim. If you do not, you could get a stomach cramp and drown.
Thinkstock
If your parents really weren't messing around, you may have even had to wait an hour.
"I wish I were in school..."
Thinkstock
After eating, most of the blood in your body flows straight to your digestive system, so physical activity could result in a full body cramp that would render you incapable of staying afloat.
But is that even true?
Warner Brothers Pictures / Via reactiongifs.com