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Posts Tagged ‘free radicals’

Every woman has doubts on antioxidant creams. It’s hard to take a decision which products to buy, when regards your skin. Maybe the bellow will help you clarify.

All manufacturers of cosmetics bombard us in advertising on creams for face and body treatments that promise to rejuvenate, fighting free radicals, molecules considered responsible for the process of cellular oxidation and therefore aging. But that is all that glitters gold?

From Great Britain comes a scientific study of University College London (UCL), which refutes the theory, formulated about 50 years ago, in which free radicals in the prime factors of aging. The British scientists have genetically altered small worms, the nematodes, so as to make their body that can completely get rid of free radicals and their oxidizing potential dannifico tissues. After a period of observation has been able to observe that the aging vermetti exactly how their similar and did not live a few days longer than them. This research, published in the journal “Genes and Development” therefore suggests that the antioxidants contained in many supplements and beauty treatments, are unable to slow down aging.

The argument that saw the antioxidant molecules panacea to stay young longer, scientists remind UK, dating back to 1956 when far speculated that the molecular damage of tissues caused by a reaction of oxygen was caused by substances called “superoxide “or free radicals, which are in circulation and accumulate over the years in our body. This aging process was called “oxidative stress”, but the UK study says that there was no evidence in the laboratory, which supports the validity of antioxidants to combat the stress.

One might ask what similarities there may be between a man and a worm, but British scientists argue that the nematodes have many genes in common with our species and thus the scientific survey has a value also to clarify some human cellular mechanisms: in particular was not the crucial role of free radicals in the deterioration and death of cells. It is clear that even if the superoxide are involved, only a small part: the oxidative damage is not one of the main factors behind the process aging.

According to the scientists, is good to follow a healthy diet, but not filled with pills of antioxidants, it ‘creams containing these substances. So room for fruits, vegetables, Mediterranean diet and physical activity for the countless benefits that this lifestyle brings to our health and our body, but must resign: this will help us to grow better, not to remain eternal children.