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- NewsYahoo Life
What you need to know about MS, a disease that probably affects someone you know
Yahoo Lifestyle's Know Your Body series delves into multiple sclerosis — a disease that affects more than 2.3 million people worldwide.
- NewsYahoo Life
Schools may ban kids from having best friends — and it's not the worst idea
Some experts say there's a benefit to taking the focus off "best friends" and encouraging inclusivity.