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Free-Radicals - What They Are and How They Work

Most of us probably remember the term "freehappen, free radicals form. Desperate and
radicals" from our high school chemistryunstable, free radicals do whatever it takes
class, a class we used more as a way to passto capture the electron they need to
notes to our friends and less as a way tostabilize themselves. This desperation and
learn about the ins and outs of the atom.instability causes free radicals to attack
While free radicals may not have beennearby molecules. If the molecule under
important to us in our teenage years, mostattack loses an electron, it becomes a free
people find that when age increases, ourradical and repeats the process. A domino
vigilance for personal health must increaseeffect then begins and the living cell is
as well. Suddenly, free radicals can beharmed.
costly and turn into something we must care
about.Every person has free radicals in their
system; there is really no way around them.
Before one can truly understand what a freeSome are part of our metabolism and some are
radical is and how it works, a bit of aused as defense mechanisms by our immune
chemistry lesson must take place. Don'tsystem. But, factors that lie outside the
worry,  this  won't  hurt  a  bit.body - such as pesticides, tobacco smoke,
gasoline fumes, and air pollution - can
A variety of different living cells make upcreate free radicals as well. This is where
the human body. These cells are made up ofanti-oxidants  become particularly important.
molecules and these molecules are made up of
atoms. Atoms are made up of a nucleus,In a person who has ample anti-oxidants, free
neutrons, protons, and electrons. The numberradicals are normally fought off and don't
of protons, which are positively charged,leave any permanent damage. In those who
dictate the number of electrons, which aredon't have anti-oxidants to spare, however,
negatively charged. The electrons - yes, evenfree radicals can cause drastic harm to a
with their negative attitude - areperson's health.. Viruses, infections, and
particularly important: they orbit around thediseases can ensue when the free radicals
atom, cause chemical reactions, and bondhave  no  opposition.
atoms together to forms molecules (which
ultimately  form  cells).Luckily, anti-oxidants are leading the free
radical counter movement. They lead it by
Electrons travel around the atom in shells.donating their electrons and stopping free
The inner shell is considered full when itradicals from needing to attack. When the
has two electrons; after two, the electronsanti-oxidant donates an electron, they don't
begin to fill the other shells. The outerbecome free radicals simply because they have
shell - and how many electrons are in it - isthe ability to remain stable in a variety of
the biggest factor in determining the atom'sstates.
chemical  behavior.
Essentially, anti-oxidants are the police
Atoms, like most of us, aim to find some sortforce of the human body: they travel around
of stability. For this reason, they try tolooking for free radicals and attempting to
fill their outer shell by gaining or losingneutralize them before they can do any damage
electrons, or bonding with other atoms andto living cells. This makes consumption of
sharing electrons. Once this bonding takesanti-oxidant properties - such as fruit,
place,  a  molecule  is  formed.vegetables, wine, and anti-oxidant infused
water - particularly important: the more
Normally, after bonding, all electrons in apoliceman you have on staff, the better
molecule are paired: there is rarely a lonechance the bad guys will be caught before
electron by itself. But when this doesthey begin a damaging crime spree.



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