The research focuses on a protein called SIRT6, which seems to have remarkable properties.
The girl sent parts of a cookie and a carrot to the police that she said were eaten by Santa for the DNA test.
California researchers found that the use of these UV-emitting devices for just one 20-minute session caused the death of 20% to 30% of cells.
The study also cites information theory of aging, which states that "a loss of epigenetic information is a reversible cause of aging."
Enzymes that are modified using this process, called the CADENZ Method, could have long-reaching impacts.
A team of Israeli researchers has mapped the way in which DNA is labeled in all the cells of the human body.