featuresblogs.chicagotribune.com — Part of an ongoing series looking at the reality behind health claims. Claim: Over the years, renowned authorities--mothers, aunts and a mother-in-law--warned Dr. Donald Unger that knuckle cracking leads to arthritis of the fingers. Reality: For 50 years, Unger, cracked...
May 2, 2010 View in Crawl 4
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It's quiet in here... can you hear the echo?