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  • Its so hard not to crack every few minutes now its like if i don't my hands feel puffed up and sore :/

  • My hands Hurt from Cracking my knuckles Every few minutes, its become almost sub-conscious, any ideas to help me prevent myself from cracking my knuckles?

  • i knew it was sninoviel!

  • actually i used to crack my knuckles about every few minutes not every day and eventually i did feel pain and it was VERY painful after a while but when I stopped it didn't hurt any more. So i guess it's ok to crack it every day NOT every few minutes like i did

  • got a pat on the back!

  • I wish this guy was my science teacher :D

  • crazy mother fu*ker :)

  • this guy is awesome

  • I thought this was a fake video at first.. this guy is hilarious!

  • His lab coat looks really filthy!!!!

  • LMFAO !

  • oh ow

  • OMG THANKYOU SO MUCH I NEEDED THIS TO PROVE TO MY MATES :D CHEERS XXXX

  • mad scientist

  • As a Medical Student:

    Cracking your released gas, which results in damage over time (very long process to explain) . This will INCREASE the chance of causing Rheumatoid arthritis

  • @hazemalsaadi As a Chef Student:

    Crossing the road without looking both ways, which people do more and more over time (very long process to explain). This will INCREASE the chance of you getting hit by a car.

  • @ktuluag i dont see the comparason...but head twists do not risk rhuematoid arthritis; simply because there is no inflammatory gas being released.

  • this guy is a nutter lol

    he should be science teacher

  • This is the nutty science teacher that was super funny and cool, until someone did something wrong and he just lost his shit. Awesome.

  • you saved my life!!!!!!!!

  • hoooooooollllyyy shiiiiiiiiit...the title is about the man himself!!! ooahhhhhhhhhhh

  • The one person who didn't like this is...is....i dunno, a fascist

  • This guy is hilarious!

  • Lol, it isn't a scientific experiment if it's only done by ONE persone.

  • Comment removed

  • @StayAwayFromTehVoodo ok, , thats called a control group, adn as this ahs proven, you CAN do it if you yourself has more then one thing to compair to, in this case, his hands, he did ti to one hand and not the other, and that was his control group :p so, yes, you CAN have a control group with one one person, depending on the subject.

  • who is this ass

  • He will make it up to his hand by having a good wank...

  • @xJG91x hahaha yeaa...

  • mah knucks is gewd 4 lyfe

  • Because you can conduct an experiment with a sample size of 1 and it can be accurate -.-

  • is he ok ?

  • crazy old man XD

  • I knew it doesn't cause arthritis!

    I crack my knuckles most of the time especially before I video games.

    cracking seems to stretch my joints in my hand and feels kinda good

  • i new it didn't cause arthritis!

  • wtf?

  • i believe the crazy doctor if it feels good its GOOD!!

  • why didn't i have a science teacher like this in school?

  • @orangedac yee

  • awesome

  • 1:53 ''I will make it up to you''?

  • @killbill402 he's gonna go choke the chicken with that hand

  • woah...

    hair cut, dude.

  • haha yep

  • Thanks , man.

  • Phew, such a relief to hear that..~

  • They found that it doesn't cause arthritis, but it does stretch out the tendons gradually making your hand weaker

  • what about other joints like the knees?

  • yaaaaay dr. under. hometown hero

  • thank God in heaven, the was a big relive to hear that.

  • ditto

  • what a relief to hear that. I just cant stop cracking

  • Oh thank god. I'd be screwed if it did! I crack everything - even my back... =\

  • This was about hand and knuckle cracking. There hasn't been tests on anywhere else. It may not be the same.

  • phew

  • Wow, that's cool.

  • Interesting

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