Most people think of medicines as single-role actors -- one-trick ponies with clearly defined uses.
But some pills can't be so easily pigeonholed. Few would guess, for example, that the erectile dysfunction drug Viagra is also used by doctors to help increase blood flow to other parts of the body when needed, possibly sparing patients the horror of amputation. Or that a drug originally used to treat glaucoma is getting a second life as a means to thicker, more luscious eyelashes.
In many...Full Story