It is possible to cure Gangrene mum recovered at 93years after swapping to organic and natural nutrition
Also using each day a circulation booster and electronic gadget to stimulate circulation. Manuka honey helps.
I wrote a book called chemicalism about how I had recovered from being obese with many illnesses and my mum followed the same approach to lifestyle.
Also my mum recovered from Diabetes type two, leg ulcers and high choresteral went after about 6 months and she did not require a leg amputation which was planned