According to a study carried out by a team led by María Blasco, the director of the Spanish National Cancer Research Centre (CNIO) and head of the Telomeres and Telomerase Group, a sustained lowering of food intake over time results in an increase of telomere length -- the ends of chromosomes -- in adult mice, which has a protective effect on the DNA and genetic material.
Caloric restriction is step 6 of the Transcend program. Moderate CR (10%) is manageable and easier to sustain over the long term.