Anti-ageing,any,real,evidence, health Anti-ageing, any real evidence?
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Anti-ageing, any real evidence?Here are some interesting facts to keep you up-to-date on some anti-ageing agents:DHEA: (Dehydroepiandrosterone) is a steroid secreted by the adrenal cortex. This hormoneis the precursor for testosterone, progesterone and estrogen. This hormone is found to declinewith age so replacing this hormone could be expected to slow age-related changes. DHEA hasalso been shown to be directly related to mortality with an inverse relationship existingbetween the levels of DHEA and mortality from heart disease as well as other causes1. Caloriedeprivation (known to prolong ageing, see below) is also known to inhibit the decline of DHEA.Another important hormone with antiageing properties include HGH (human growth hormone).Effective HGH hormone sprays are available. Antioxidants: The theory is that in ageing unrepaired oxidative damage accumulate putting theorganism under increased stress. DNA damage is also reported to be associated with oxidativestress. Antioxidants protect against cellular damage by mopping up the reactive oxygen speciesthat cause damage. A recent study2 of elderly subjects found that DNA damage occurred in 45 %of subjects, with 62% having low total antioxidant levels. Antioxidants include vitamins C, A,E, and the mineral selenium. Although these agents are effective antioxidants, their beneficialeffects in slowing ageing still remains largely unproven. There is considered stronger evidencefor the roles of these antioxidants in degenerative disease such as atherosclerosis. The area ofantioxidants in ageing is still an active area of research interest.Tip: not many people know, but there is an effective and convenient test for checking yourAntioxidant status to see if you are adequately protected against the damaging effects of freeradicals. The test involves measurement of lipid peroxides in urine. Lipid peroxides representdamage caused to fats by free radicals and provide a useful barometer of your antioxidant status. Peptides: Carnosine: (a peptide) is an antioxidant and free radical scavenger. Carnosine hasbeen found to extend the life of human skin cells grown in culture. Long lived cells containhigh levels of carnosine. The anti-ageing properties has been more recently linked, not somuch with its antioxidant properties, but with its ability to protect against undesirable proteinglycation and cross linking to normal macromolecules3.Herbs: Garlic: a study4 in 1994 found garlic enhanced the long term growth ability of humanskin cells to survive in culture. The researchers also found that garlic inhibited the growth ofcancer cells in culture, providing the first apparent evidence of both anti-ageing and anti-cancer effects of garlic.Calorie Restriction: this has long been known to result in the slowing or retardation of theageing process. It has been confirmed in a number of studies with animals which have beenshown to live longer when their dietary intakes were restricted. Calorie restriction withoutmalnutrition is the only known manipulation which has been convincingly demonstrated toretard ageing in mammals. Dr. Keith Chung,PhDwww.balanceyournutrition.comReference list:1. J Endocrinol 1999 Oct;163(1):1-52. Mech Ageing Dev 2001 Jun;122(8):835-473. Cell Mol Life Sci 2000 May;57(5):747-534. J Ethnopharmacol 1994 Jul 8;4(2):125-33.
Anti-ageing,any,real,evidence,