Eating gluten has proven that your dick will fly off and you will burst into flames.
Cracking nuckles
I crack my knuckles, neck, and back twice during every class. You can say the girls are pissed at me 

can vouch, this is the way to go
its like addicting now
it feels sooo good
day 2
help i cannot stop cracking my back
i have been able to do a 720 degree turn with my torso before feeling any cracking now that I have done it so much
day 3
after 3640 degree turn with my torso i finally felt a crack this morning
day 4
i turned so far that i turned into a cork screw and got sold at a hardware store for heavy industrial screwing
day 5
at the shop still
day 6
bought by a redneck to build a preppers hideout incase of zombie appocalypse
day 7
...
its like addicting now
it feels sooo good
day 2
help i cannot stop cracking my back
i have been able to do a 720 degree turn with my torso before feeling any cracking now that I have done it so much
day 3
after 3640 degree turn with my torso i finally felt a crack this morning
day 4
i turned so far that i turned into a cork screw and got sold at a hardware store for heavy industrial screwing
day 5
at the shop still
day 6
bought by a redneck to build a preppers hideout incase of zombie appocalypse
day 7
...
I don't think there are any health risks. I do it all the time. 

Here you go.
There is no risk. Do it every minute.
Everything has a health risk, everything has it's benefits and costs, I doubt popping your knuckles is good for you though.

Wow you are a jokester, EH.

