Using fluorescent green snippets of body fat cells researchers have been able to demonstrate the DNA-protective properties of a limited-calorie diet in fruit flies. Aging in living cells is delayed considerably when a calorie-restricted diet is employed. [Daily Mail UK Sept 13, 2016; Proceedings National Academy Science Sept 2016] ] A reverse transciptase inhibitor (3TC, aka lamivudine, brand name Zeffix & Epivir) used in the treatment of HIV infection, reversed the aging process and protected against DNA breakdown. [AIDS 1992] In a lab dish quercetin and resveratrol, a molecule found in red wine, are potent natural reverse transcriptase inhibitor. [European Journal Biochemistry July 5, 1990; AIDS Jan 28, 2014]