Siobhan:
>The first category is the essential trace minerals.
>These are minerals that are required in the diet
>for full health, and when the intake is insufficient,
>symptoms of deficiency will arise. They include nine
>known to be essential: zinc, copper, selenium, chromium,
>manganese, molybdenum, iodine, fluoride, and cobalt.
>About 10 more minerals are thought to be
>essential but the full proof is not yet in; these are
>arsenic, boron, bromium, cadmium, lead, lithium,
>nickel, silicon, tin, and vanadium.
>By: Clare E. Casey, Ph.D., Nutrition Scientist
>F8, 95 Maitland Street, Dunedin, New Zealand

I wonder how Clare Casey reached the conclusion that fluoride
is an essential nutrient?  If flies against everything
that I have come across.  Check out www.fluoridealert.com.

Peter