Sixty minutes show, the founder of the probiotic movement says its a miracle organism. Studies show it doesn't help with much. I took them after antibiotics , but now they're saying its worst .
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Probiotics: Should you be taking them?
Probiotics, manufactured mixtures of "good bacteria" that help digest food, have become a growing multibillion-dollar industry. But do they work? Dr. Jon LaPook reports.
www.cbsnews.com
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