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Free-Radicals - What They Are and How They Work

Most of us probably remember the termradicals do whatever it takes to capture
"free radicals" from our high schoolthe electron they need to stabilize
chemistry class, a class we used more asthemselves. This desperation and
a way to pass notes to our friends andinstability causes free radicals to
less as a way to learn about the ins andattack nearby molecules. If the molecule
outs of the atom. While free radicalsunder attack loses an electron, it
may not have been important to us in ourbecomes a free radical and repeats the
teenage years, most people find thatprocess. A domino effect then begins and
when age increases, our vigilance forthe living cell is harmed.
personal health must increase as well.Every person has free radicals in their
Suddenly, free radicals can be costlysystem; there is really no way around
and turn into something we must carethem. Some are part of our metabolism
about.and some are used as defense mechanisms
Before one can truly understand what aby our immune system. But, factors that
free radical is and how it works, a bitlie outside the body - such as
of a chemistry lesson must take place.pesticides, tobacco smoke, gasoline
Don't worry, this won't hurt a bit.fumes, and air pollution - can create
A variety of different living cells makefree radicals as well. This is where
up the human body. These cells are madeanti-oxidants become particularly
up of molecules and these molecules areimportant.
made up of atoms. Atoms are made up of aIn a person who has ample anti-oxidants,
nucleus, neutrons, protons, andfree radicals are normally fought off
electrons. The number of protons, whichand don't leave any permanent damage. In
are positively charged, dictate thethose who don't have anti-oxidants to
number of electrons, which arespare, however, free radicals can cause
negatively charged. The electrons - yes,drastic harm to a person's health..
even with their negative attitude - areViruses, infections, and diseases can
particularly important: they orbitensue when the free radicals have no
around the atom, cause chemicalopposition.
reactions, and bond atoms together toLuckily, anti-oxidants are leading the
forms molecules (which ultimately formfree radical counter movement. They lead
cells).it by donating their electrons and
Electrons travel around the atom instopping free radicals from needing to
shells. The inner shell is consideredattack. When the anti-oxidant donates an
full when it has two electrons; afterelectron, they don't become free
two, the electrons begin to fill theradicals simply because they have the
other shells. The outer shell - and howability to remain stable in a variety of
many electrons are in it - is thestates.
biggest factor in determining the atom'sEssentially, anti-oxidants are the
chemical behavior.police force of the human body: they
Atoms, like most of us, aim to find sometravel around looking for free radicals
sort of stability. For this reason, theyand attempting to neutralize them before
try to fill their outer shell by gainingthey can do any damage to living cells.
or losing electrons, or bonding withThis makes consumption of anti-oxidant
other atoms and sharing electrons. Onceproperties - such as fruit, vegetables,
this bonding takes place, a molecule iswine, and anti-oxidant infused water -
formed.particularly important: the more
Normally, after bonding, all electronspoliceman you have on staff, the better
in a molecule are paired: there ischance the bad guys will be caught
rarely a lone electron by itself. Butbefore they begin a damaging crime
when this does happen, free radicalsspree.
form. Desperate and unstable, free



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