January 2007


Doctors Without Borders presents the Top 10 most underreported humanitarian crises of 2006. How many of these did you read about?

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A study focused on 300 habitual knuckle crackers found no evidence linking knuckle cracking and arthritis. Chronic crackers did suffer other harm, including soft tissue damage and loss of grip strength. This damage is usually minor, however, and cracking your knuckles actually has some benefits.

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