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The Knowledge About Antioxidant

April 3rd, 2010 Comments off

An antioxidant is a chemical that reduces the rate of particular reactions in a specific context, where reactions are chemical reactions that involve the transfer of electrons from a substance to an oxidising agent.

are particularly important in the context of organic chemistry and biology: all living cells contain complex systems of antioxidant chemicals and/or enzymes to prevent chemical damage to the cells’ components by oxidation. The importance and complexity of in biology is reflected in a medical literature of more than 142,000 scholarly articles.

A diet containing antioxidants from plants are required for good since plants are an important source of organic antioxidant chemicals. Antioxidants are widely used as ingredients in dietary supplements that are used for purposes such as preventing cancer and heart disease. However, while many studies have suggested benefits for antioxidant supplements, several large clinical trials have failed to clearly demonstrate a benefit for the formulations tested, and excess supplementation may be harmful.

Antioxidants are chemicals that reduce oxidative damage to cells and biochemicals. Researchers have found high correlation between oxidative damage and the occurrence of disease. For example, LDL oxidation is associated with cardiovascular disease. The process leading to atherogenesis, artherosclerosis, and cardiovascular disease is complex, involving multiple chemical pathways and networks, but the precursor is LDL oxidation by free radicals, resulting in inflammation and formation of plaques.

Research suggests that consumption of antioxidant-rich reduces damage to cells and biochemicals from free radicals. This may slow down, prevent, or even reverse certain diseases that result from cellular damage, and perhaps even slow down the natural aging process.

Since the discovery of vitamins, it has been recognized that antioxidants in the diet are essential for healthful lives. More recently, a large body of evidence has accumulated that suggests supplementation of the diet with various kinds of antioxidants can improve health and extend life. Read more…

The Knowledge About Anorexia

March 2nd, 2010 1 comment

Plainly put, is an eating disorder where a person starves him or herself. mainly affects adolescent girls. They have an intense fear of becoming . They think they are overweight, but in fact most anorexics weigh a full 15% below their normal body weight. Anorexia strikes about 1% of adolescent females. This is about one in one hundred women.

Some psychiatrists think anorexia is not just about being thin or fat. It stems from fear a of growing up and losing control. It’s about fear of becoming a women, growing up, building relationships, leaving home.

Her body is changing and growing and she doesn’t like it and wants to be child sized again. Some psychiatrists think that eating disorders can also be caused by life experiences such abuse.

Some studies have shown that if a mother has anorexia a child is 12 time more likely to develop it than someone with no family history.

The person who suffers with anorexia cannot help herself. She must be treated by a mental professional experienced in dealing with anorexia. Some receive long term psychotherapy. Read more…