Free Radicals
Free radicals are any atom or molecule that has an unpaired electron in its outer shell. As we were taught in GCSE chemistry, an atom or molecule likes to have a full compliment of electrons. If an electron leaves, the atom or molecule becomes reactive and has the ability to cause damage unless it bonds with an atom or molecule with the required number of electrons to make it stable. Free Radicals have been blamed for the effects of ageing and some degenerative diseases.
The body produces some enzymes to limit the damage free radicals, but they can only do so much. We need to supply antioxidants which are chemical compounds that limit Free radical damage. Fruit and vegetables are excellent sources of antioxidants.