LONDON, May 9 (UPI) -- A new drug released in Britain to treat a number of diabetes-related ailments -- including heart disease -- was developed from the spit of a poisonous lizard. The drug, exenatide, was found by scientists to relieve heart disease, kidney failure and blindness in diabetes patients, The (London) Telegraph reported Wednesday. It was launched in Britain last week under the brand name Byetta. >>> Discuss This Story