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Deb Baranec struggled with obesity and osteoarthritis for 30 years. Now she works out six days a week and has lost 190 pounds. Photos by Don Molyneaux, for the McCaig Institute for Bone and Joint Health

A weighty subject: How the obesity epidemic is taking a toll on our bones and joints

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John Conly is co-leading a strategy to bring down the number of cases of hospital-acquired Clostridium difficile, or C. diff, using probiotics. C. diff infections can be devastating for those who have it and are an enormous burden on health systems. Photo by Michael Wood, O'Brien Institute for Public Health

UÄ¢¹½´«Ã½ researchers partner with AHS to tackle dangerous bug in hospitals

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Stephen Freedman, left, says probiotics are not an effective treatment for children who experience diarrhea and vomiting caused by intestinal infections. Freedman led a research study involving teams throughout Canada; the findings show there was no evidence that probiotics had any effect on reducing symptoms or helping with recovery. This information should prove helpful for parents like Melanie Tibbits, here with her children Wyatt, 3, and Sawyer, five months.

New study reveals probiotics do not help children with intestinal infections

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