The Lancet

C. diff therapy put in doubt

C. diff therapy put in doubt

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Probiotics are not effective in preventing diarrhea associated with Clostridium difficile, according to a large study that calls into question previous findings.

Getting older, but better

Getting older, but better

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A friend who has spent a lifetime studying Alzheimer's disease once offered this double-edged advice: If you can make it all the way to age 90, there's a good chance you'll avoid the disease.

Rate of dementia has declined dramatically, but not in nursing homes, study finds

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The rate of seniors developing dementia decreased by nearly a quarter over the last 20 years in England and Wales, although the percentage of nursing home residents with dementia increased, according to a recently published study.

Maybe the 90s are the new 80s

Maybe the 90s are the new 80s

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A friend who has spent a lifetime studying Alzheimer's disease once offered this double-edged observation: Once you make it to age 90, your odds of avoiding the disease dramatically improve.