Remember all those things that grandma used to tell you not to do, don't go swimming

after you eat, don't make that face or else stay that way?

Medical myths are often based on outdated folk wisdom, rather than on sound science.

Today, we've got a roundup for you of quite a few such myths, some of which a lot of

you probably thought were genuine.

Just coming up next, Unskeptoid.

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More medical myths.

Once before, we looked at medical myths perpetuated by movies and pop culture,

...