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Monday, August 24, 2009

The Key to Youth is Found in Cellular Integrity

By Dr. Lorna Mistranski

The best way to fully comprehend what free radicals are is to look at them from a cellular level in that the human body is made up of all kinds of cells.

Cells are comprised of various types of molecules and these molecules consist of one or more atoms of one or more elements held together by a chemical bond.

Atoms are comprised of protons, neutrons, and electrons whereby the total amount of protons that are in the nucleus determine how many electrons will surround them.

The primary role of electrons is for chemical reactions that occur inside the atom and the substance that holds the atoms together to form molecules. Electrons revolve around the atom in one or more shells

A atom is considered full when two electrons occupy the innermost layer. When the second layer is filled with electrons, the process starts all over again

The number of electrons in an atom's outer shell id the most important structural characteristic.

A substance that has a full outer shell tends not to enter in chemical reactions. Ultimately, atoms seek to reach a state of maximum stability, an atom will try to fill its outer shell by:

Adding or dropping electrons that will either fill or empty the atom's shell

Bonding together with other atoms and sharing electrons to complete the outer most shell

The typical way an atom achieves maximum stability is sharing electrons with other atoms. This allows the conditions to for the atoms sustain the molecules in the most efficient way.

Most of the time, these bonds do not tear apart in a way that leaves an atom with an odd, unpaired electron. When this does occur however, free radicals are formed; they are very unstable and react swiftly with other compounds in attempt to gain the needed electrons for stability.

Free radicals like to attack by locating the closest cell that has maximum stability and begins to steal electrons. Eventually these attacked molecules become free radicals themselves. The process will continue until eventually cellular damage occurs.

Common times when free radicals occur are during metabolism as well as when the body is fighting off bacteria or viruses. Pollution, cigarette smoke, radiation, and pesticides are other times when free radicals can occur.

The body is usually able to fight off free radicals unless it's empty of antioxidants or free radicals production accumulates too much, damage can occur. The older you get the more free radical damage occurs. - 17268

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