Stuff Your Dad Knows

If I Crack My Knuckles, Will I Get Arthritis?


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Stuff Your Dad Knows host Ethan Millard welcomes a new guest co host, Emily.  They're... close.
The two talk about whether or not cracking your knuckles is really a problem or if it's just something you can totally do with no regrets.
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Stuff Your Dad KnowsBy Bonneville International