It's summer, which means you'll probably find yourself near a body of water in the next couple of weeks. Whether you're picnicking by a lake or snacking by the sea, someone is bound to mention that one piece of summertime advice we've all been conditioned to believe: wait at least a half hour after you eat before jumping back in the water. After years of hearing the adage, we couldn't help but wonder if the recommendation is in fact founded. Is it actually dangerous to dive in after downing a hot dog? Are some foods better beach choices than others? We consulted the experts to find out whether the warm weather rule is fact or fiction.

Here's what we uncovered about whether you really need to wait a half hour after eating before going swimming. And for more ways to stay safe this summer, be sure to check out This Is Why Food Poisoning Is So Much More Common in Summer.

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