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Eating Well - Beaming with Health

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178 Tde Commonsense Guide to <strong>Eating</strong> WeiZ<br />

Fluorine<br />

Fluorine is one hot potato of a mineral. Over the years there<br />

have been many tears and fisticuffs about the question of<br />

fluoridating community water supplies. (A note on definitions:<br />

fluorine is the codger featured in the periodic table as<br />

a yellow gas travelling under the moniker 'F', fluoride is the<br />

biologically active form of fluorine.)<br />

Fluoride plays a role in helping keep calcium in place in<br />

bones and teeth. In bones, it is found in the form of calcium<br />

fluoride, not in the form sodium fluoride, which is added to<br />

our water. Fluoride appears to prevent dental cavities in<br />

growing teeth. It has most effect topically; that is, in direct<br />

contact <strong>with</strong> teeth or in young children when the teeth have<br />

not yet erupted. A mottling or discolouration of teeth, called<br />

dental fluorosis, is common among young peopIe growing up<br />

<strong>with</strong> fluoridated water. There is little evidence that drinking<br />

fluoridated water assists adult teeth. Of more concern is the<br />

theory that is steadily gaining strength that an excess of fluoride<br />

(particularly sodium fluoride) over a period of time can lead to<br />

arthritis-like symptoms and even osteoporosis. Adding sodium<br />

fluoride to the drinking water continues in Australia, New<br />

Zealand and parts of America although it has been banned in<br />

Japan, Scandinavia and most of Europe.<br />

Conditions that migAt benefit from extra fluoride<br />

As fluoride is added to our water supply and as a consequence<br />

is also in processed foods that use water, generally no-one<br />

needs extra fluoride. However, the supplement calcium fluoride,<br />

which is given in tiny doses (Calc fluor) may help in<br />

conditions showing a weakness of connective tissues such as<br />

varicose veins and haemorrhoids.

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