AS REPORTEDno primary record reached; this is what the reporting says
Reference sources note that the belief that swimming after eating causes cramps and drowning is an unsupported myth, while older health literature has historically asserted that swimming after eating a meal can cause dangerous cramps.
which food is ‘burned’ in the cells. This is very different from person to person. How much food is enough … after using the toilet and before preparing or eating food to guard against passing on germs. If possible … disappear. Another kind of cramp starts if you swim after eating a large meal. This is always dangerous, especially
If you eat a lot, you'll feel rather uncomfortable doing any physical exercise immediately after. As for getting stomach cramps and dying, though, that has never happened. So says snopes : Whether oxygen-deprivation stomach cramps are real or not is open to debate, as is whether they can be brought on by eating right before engaging in strenuous activity. What's not in doubt, however, are the lack of deaths associated with swimming right after eating — there hasn't been so much as one drowning attributed to this, not even a near drowning. For something that was supposed to be fatal if you so much as dipped a toe, this particular old wives' tale proved to be a dud. My emphasis... See snopes for deeper sources.