Originally posted by pbguy888
My teachers husband is a cyroprater (sp?) And he said all it is is nitrogen gas neving your blood.
My teachers husband is a cyroprater (sp?) And he said all it is is nitrogen gas neving your blood.
ding ding ding. he's right, it's nitrogen.
It doesn't lead to premature athritis or anything.
Actually cracking your neck is worse then your fingers simply due to the fragile bones in your neck. Every year people snap their own necks when trying it. So don't do it too hard.......



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