Three medical routines that older people may not need

Enough time had passed since the patient's previous colonoscopy that she met the criteria to undergo another, said Dr. Steven Itzkowitz, a gastroenterologist at the Icahn School of Medicine at Mount Sinai in New York.

The potential problems of living longer: Q&A

Many scientists are trying to determine just how much medical intervention can lengthen the human lifespan. But Daniel Promislow, senior scientist and scientific advisor at the Jean Mayer USDA Human Nutrition Research Center ...

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