Mitochondria (energy-producing organells in cells)
are critical to the cell reproduction cycle and their DNA, different
from the cell’s main DNA, is particularly vulnerable to damage.
With
aging, tissues become increasingly damaged and dysfunctional due
to cross-linkages with sugar molecules.
Metabolic
product gunk called lipofuscin accumulates in cells and inhibits
their functionality.
Major theories of
aging
To see details click on title of theory
To see details click on title of theory