Oncology & Cancer

Q and A: Polyps are possible culprits in colon cancer

DEAR MAYO CLINIC: I'm 46 and had my first colonoscopy last month. The doctor said everything looked good, although he removed a few polyps. Can you explain what a colon polyp is and if should I be concerned?

Genetics

Is it time to test embryos for common diseases?

A Silicon Valley company has designed a technique to decipher the genetic code of a tiny embryo and calculate its future risk of cancer, diabetes and 10 other common diseases—presaging a day when parents could select children ...

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