A lifesaver with a catch: Powerful new cancer drugs can trigger diabetes — and no one is certain why By ELIE DOLGIN

A lifesaver with a catch: Powerful new cancer drugs can trigger diabetes — and no one is certain why

By ELIE DOLGIN

COURTESY RICH LENIHAN

A small number of patients on immunotherapy drugs experience the same irreversible side effect. Making matters worse, oncologists have little clue why.

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