by Sam Sokol | May 18, 2020
The free radical theory of aging (FRTA) states that organisms age because cells accumulate free radical damage over time. A free radical is any atom or molecule that has a single unpaired electron in an outer shell. Unpaired electrons cause damage to cells, proteins...
by Len Heflich | Nov 22, 2019
Paul D. Ray, Bo-Wen Huang, and Yoshiaki Tsuji, Cell Signal, May 2012,: 24(5): 981-990. Here is a direct link to the file: https://dx.doi.org/10.1016%2Fj.cellsig.2012.01.008 1. Introduction Reactive oxygen species (ROS), such as superoxide anion (O2−),...
