e/Free-radical theory

Information
has gloss	eng: 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. While a few free radicals such as melanin are not chemically reactive, most biologically-relevant free radicals are highly reactive. For most biological structures, free radical damage is closely associated with oxidative damage. Antioxidants are reducing agents, and limit oxidative damage to biological structures by passivating free radicals.
lexicalization	eng: Free radical theory
lexicalization	eng: Free-Radical Theory
instance of	(noun) an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule; "in the body free radicals are high-energy particles that ricochet wildly and damage cells" free radical, radical

Meaning
German
has gloss	deu: Die Theorie der freien Radikale, auch Freie-Radikale-Theorie (engl. Free Radical Theory of Aging, FRTA) genannt, ist ein Erklärungsmodell für das Altern aller Organismen.
lexicalization	deu: Theorie der freien Radikale