.Jobs resisted his doctors' recommendations for medical intervention for nine months, instead relying on alternative medicine to thwart the disease. According to Harvard researcher Ramzi Amri, his choice of alternative treatment "led to an unnecessarily early death". Other doctors agree that Jobs's diet was insufficient to address his disease. (...) "Instead, he tried a vegan diet, acupuncture, herbal remedies, and other treatments he found online, and even consulted a psychic. He was also influenced by a doctor who ran a clinic that advised juice fasts, bowel cleansings and other unproven approaches, before finally having surgery in July 2004." (...) Jobs did not receive chemotherapy or radiation therapy.