A new study is shedding light on the interaction between aging and cancer. In normal aging, DNA is damaged over time and the body begins to deteriorate because of oxidative stress. "We all slowly rust, like the Tin-man in the Wizard of Oz," head researcher Dr. Michael Lisanti said. "And there is a very similar process going on in the tumor's local environment." The researchers found that cancer induces oxidation, the "rusting" process, in normal surrounding tissue, in order to extract vital nutrients using a lactic acid "shuttle". Dr Lisanti said that antioxidant therapy can "cut off the fuel supply for cancer cells."
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