"...it can be argued that caloric restriction ... has the potential to accelerate the healing process..."
https://www.ncbi.nlm.nih.gov/pubmed/25881054
"...fasting ... has the potential to differentially protect normal and cancer cells against chemotherapy..."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2815756/
"...Autophagy is sometimes referred to as cellular “cleansing”, and our observations provide an attractive neuronal parallel to the organismal benefits that, historically, are perceived to derive from fasting."
"...short-term food restriction induces a dramatic upregulation of autophagy in cortical and Purkinje neurons. To our knowledge, this is the first demonstration that food restriction leads to in vivo neuronal autophagy."