Bibliography (10):

1. https://classic.clinicaltrials.gov/ct2/show/NCT01302379

2. Metformin reduces all-cause mortality and diseases of ageing independent of its effect on diabetes control: A systematic review and meta-analysis

3. Metformin and Aging: A Review

4. The Potential of Resveratrol to Act as a Caloric Restriction Mimetic Appears to Be Limited: Insights from Studies in Mice

5. Reversal of Epigenetic Age with Diet and Lifestyle in a Pilot Randomized Clinical Trial

6. Wikipedia Bibliography:

   1. Randomized controlled trial

   2. https://en.wikipedia.org/wiki/Breast_cancer  :

      https://en.wikipedia.org/wiki/Breast_cancer

   3. Metformin

   4. Statistical-significance

   5. https://en.wikipedia.org/wiki/Intent-to-treat  :

      https://en.wikipedia.org/wiki/Intent-to-treat