Junk food 'kills be-slim bacteria'

Junk food kills the gut bacteria that can help keep people thin, while Belgian beer and coffee increase them, a new book by a leading academic claims. Microbes that live in people’s bodies make up 90% of living cells and when disrupted could be a major cause of...

New blood tests may transform cancer care

A new type of blood test is starting to transform cancer treatment, sparing some patients the surgical and needle biopsies long needed to guide their care. The tests, called liquid biopsies, capture cancer cells or DNA that tumors shed into the blood, instead of...