The Free Radical Theory

The save ascendent theory was firstly introduced in 1954 by Robert Gerschman and later was developed by Dr. Denham Harman from the University of Nebraska. The term large-minded radical is used by the scientists to describe any molecule which is different from constituted molecules.Actually, emancipate radicals posses a free electron and, therefore, they be able to fight back with other molecules in destructive and volatile ways. In contrast to free radicals, in formal molecules the electrical charge is always balanced consequence that electrons are able to come in pairs and their electrical energies simply fell their charges.In other words, conventional molecules have negative electrical charge because atoms which neglect electrons are combined with atoms with excessive number of electrons, and, in the firmness, a steadfast molecule with paired electrons and neutral charge is created. (Theories of maturation 2004)In contrast to conventional molecules, free radicals alwa ys possess extra negative charge. The result is apparent unbalanced electrical energy makes free radicals attach themselves to other molecules and take away a matching electron to attain electrical equilibrium.However, it is demand to note that free radials are often claimed to be promiscuous meat that they break happy marriages of combined electrons trying to steal happy supply for themselves. In such a way free electrons create free radicals which definitely lead to extensive maltreat of stalls and human body. So, activity of free radicals within human body is negative as they cause age process.If there were no free radicals, human bodies would be able to larn energy and to maintain immunity. Moreover, our bodies would manage to transmit nerve impulses and to synthesize hormones inevitable for our muscles.Nevertheless, electricity of the body makes people perform these functions, scarcely electricity is the result of unbalanced electron activity of free radicals within out body. (Theories of Aging 2004)Further, free radicals are known to molest the structure of human cell membrane by creating so-called metabolic waste products. One of such waste products is substance called lipofuscins. His effect is damaging as, for example, excessive amount of lipofuscins leads to proceeds of aging spot or darkness of the skin in current areas.Moreover, this substance reduces significantly abilities of cells to restore and to reproduce. The synthesis of DNA and RNA is harebrained as well the synthesis of protein. Next, lipofuscins lowers energy levels preventing in such a way human bodies from building muscles. (Theories of Aging 2004)Consequently, cellular enzymes are destroyed, but they are necessary for vital chemical processes without which the aging process starts. Free-radical damage starts from the birth and continues throughout out life till natural death.During puerility and adolescents free-radical processes are minor as they body still is provide d with repair and transposition mechanism. Health young people have healthy organs and on the job(p) order. However, when people become older free-radical processes begin to take their toll.Scientists say that free-radical falling out of cell metabolism is part of what ages our cells it may also create mutant cells leading ultimately to cancer and death. (Theories of Aging 2004)Finally, free radicals damage collagen and elastin which are responsible for keeping our skin moist, elastic and flexible. Under capture of free radicals, human vital tissues are breaking and fraying. This process is evident in the face folds of skin and deep wrinkles are the results of free-radical damage.Gerontologists argue that another(prenominal) way of looking at free-radical changes is to think of its as oxidation, the process of adding group O to a substance. Another word for oxidation is rust and in a sense our aging process is analogous to the rusting away of a once-intact piece of metal.(Th eories of Aging 2004) Oxygen forms are free radicals and firearm breathing we produce free radical which intensify the process of aging. Antioxidants are substances used to prevent harmful effects of oxidation and free radicals. We should catch up with attention to vitamins C, B and beta carotene to fight aging process.ReferencesTheories of Aging. (2004). Retrieved November 29, 2007, from http//www.prolongyouth.com/theories.html