Swimming right after eating causes deadly cramps
| Swimming right after eating causes deadly cramps | |
|---|---|
| FALSE | |
| "Children must wait 30 minutes to an hour after eating before swimming, or they will get cramps and drown." | |
| Domain | Health & Medicine |
| Tactic | Fabrication |
| Era | Historical |
| First seen | 1900s |
| Origin | Early 20th-century swimming and scouting manuals, and generations of parents |
| Last reviewed | 2026-10-30 |
| Further reading: books on Health & Medicine | |
Many children have sat on the side of the pool after lunch because of the rule that swimming on a full stomach causes cramps and drowning.
Safety experts have found no evidence for it.
What the evidence shows
- Evidence review. The American Red Cross Scientific Advisory Council reviewed the question in 2011 and found no documented cases of drowning caused by swimming after eating.
- Origin. The idea was that digestion draws blood away from the limbs. Digestion does not divert enough blood to stop muscles from working.
- Real risks. The main drowning risks for children are lack of supervision, weak swimming skills and, for older teens and adults, alcohol.
Why it matters
A rule that does no harm also does little good. Focusing on proven drowning risks, especially supervision, protects children better.
Sources
- American Red Cross Scientific Advisory Council, "Eating Before Swimming," scientific review, 2011.
- Mayo Clinic, "Is it dangerous to swim after eating?"
- US Centers for Disease Control and Prevention, "Drowning Facts."