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.

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.

Stuff Your Dad Knows host Ethan Millard welcomes a new guest co host, Emily. &nbsp;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.

If I Crack My Knuckles, Will I Get Arthritis?

You field a lot of questions from your kids.  They come to you for answers and sometimes you have them, but just as often... you're bluffing. Ethan Millard is here to bail you out with info you can use to reassure your kids that you really are the smartest person they know. If you have a story idea for the show, then please share it on social media using the hashtag #StuffYourDadKnows.

Society & Culture

Education

Kids & Family

You field a lot of questions from your kids. They come to you for answers and sometimes you have them, but just as often... you're bluffing. Ethan Millard is here to bail you out with info you can use to reassure your kids that you really are the smartest person they know. If you have a story idea for the show, then please share it on social media using the hashtag #StuffYourDadKnows.

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If I Crack My Knuckles, Will I Get Arthritis?

If I Crack My Knuckles, Will I Get Arthritis?