Bonus Segment: Can Cracking Your Knuckles Lead To Arthritis?

Dr. Donald Unger cracked his left hand for 50 years to see if it caused arthritis while leaving his right hand alone. "Thus, the knuckles on the left were cracked at least 36,500 times, while those on the right cracked rarely and spontaneously," he wrote in the journal Arthritis & Rheumatism in 1998. For his findings check out today's bonus segment with Len and Joe...

 
Len Berman and Michael Riedel in the Morning

Len Berman and Michael Riedel in the Morning

Len Berman and Michael Riedel in the Morning. Read more

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