CHER has battled back from the brink of death thanks to experimental blood transfusions! The revolutionary treatments wiped out a virulent virus that was shutting down her kidneys and killing her by inches, sources tell GLOBE. The 72-year-old superstar — who’d once wasted away to skin and bones — has bounced back in Mamma Mia! Here We Go Again after beating depression, chronic fatigue and agonizing pain that forced her into semi-retirement! Get the latest GLOBE to read aboout how Cher overcame a bleak diagnosis.