What is oxidative stress?

Oxidation, how does it work? Oxidation is a chemical reaction that takes place in the presence of oxygen. You can see it when you cut an apple: once cut, the apple tends to turn brown because one of its enzymes reacts with oxygen and transforms a molecule (called phenol) into another molecule (called quinone) which […]

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The functioning of brain and eyes

Parts and functions of the brain The brain works like a big computer. It processes the information it receives through the 5 senses, and sends back messages, conscious and unconscious, to the body. However, the functions of the brain go much further with the ability to think, make decisions and feel emotions. The size of […]

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