Four “Father Time” genes that help determine how fast we
age have been uncovered by scientists. The ageing genes are switched on
or off by environmental and lifestyle factors such as diet, and may be
programmed from an early age. Knowing how the genes are altered could
pave the way to new generations of anti-ageing drugs, researchers
believe. Scientists already knew that “epigenetic” changes – chemical
alterations to DNA made by external factors in the environment – are
important to ageing.
The new research goes some way towards solving the riddle of how and when these effects occur.
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