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 What Doctors Don't Tell You: Metal fatigue 
 
What Doctors Don't Tell You © (Volume 14, Issue 9)
It’s assumed that we’re either the result of nature or nurture. But with the advent of an increasingly toxic environment, there is now a third element - noxious agents.

Compelling evidence links exposure to a wide range of environmental toxins with emotional and behavioural problems, including violence, addiction, learning disabilities, hyperactivity, intolerance and lowered intelligence.

Heavy metals are high on the list of personality-changing poisons. Exposure to lead, even at low levels, is associated with aggressive behaviour as well as learning disabilities. Prenatal exposure to lead can also result in premature or low weights and small head circumference at birth - an early indication for learning or behavioural deficits. Chronic exposure to low levels of manganese are also linked to violent behaviour.

In fact, the effects of lead and manganese are synergistic, so individuals exposed to both show more profound effects than those exposed to either element by itself. Those with poor diets are likely to be more affected than those receiving adequate nutrition. Brain cells, for instance, absorb more toxic metals when diets are low in calcium, iron, zinc, vitamin D and other essential nutrients.

You’ll encounter metals in tap water, air pollution, old paint, tobacco smoke, fish and shellfish, pesticides, medications such as antacids, but also childhood vaccines, IUDs, enamelled and aluminium cookware, dental fillings, copper pipes, the disinfectant used in public swimming pools, processed foods, and cosmetics and toiletries.

Scientists have believed that the higher the dose, the more toxic the metal becomes. But, because toxic metals are bioaccumulative - that is, stored in body tissues - it is believed that they need not be present in high concentration to produce adverse health effects.

The degree to which metals damage human health depends to a large extent on the form they take - either organic and inorganic. An inorganic metal is in its raw elemental state and is poorly absorbed by the body. Through ingestion and metabolism, it can be converted within the body to a more potent and poisonous form.

Organic metals are have been combined (either by nature or in the lab) with some other carbon-containing substance, such as a petroleum derivative. The resultant complexes can increase the health risks associated with the metal itself, in part because the carbon molecule allows the metal to interact with more substances. In the body, this interaction is known as ‘oxidation’ and involves the production of free radicals. The higher the level of free radicals in the body, the greater the likelihood of illness.

Toxic metals are particularly harmful to the reproductive system. They can also interfere with its detox pathways, including the colon, liver, kidneys and skin. Some are also endocrine disrupters. The immune system’s function is compromised by the presence of toxic metals, which can also weaken our energy-production pathways. Because of this, metal toxicity is believed to be involved in disorders such as chronic fatigue or ME.

Toxic metals also appear to increase the acidity of the blood. When this happens, the body responds by drawing alkaline, in the form of calcium, from the bones to help restore the normal blood pH. When toxic metals are present, calcium may also be drawn to areas of damage and inflammation (such as joints and arterial walls). While this process acts like a bandage, patching up one problem area, it can create other conditions such as arteriosclerosis and arthritis. Also, without replenishment of calcium, the constant leaching of this important mineral from the bones can result in osteoporosis.

One well-researched area is the damage to the neurological system, particularly the brain. In addition, toxic metals interfere with uptake of essential nutrients such as magnesium, lithium, zinc, iron and several of the B vitamins. The resulting deficiencies have been linked to increased neurological damage.

Evidence also implicates toxic metals in a range of emotional and behavioural problems in children such as autism, dyslexia and attention-deficit hyperactivity disorder (ADHD), but also learning difficulties, including decreased concentration and organisational skills, speech, language and comprehension difficulties, and lowered intelligence. Adults are affected, too, as studies show higher rates of violence, dementia and depression among exposed individuals.

This means that metal toxicity is as much a social problem as an environmental one. While toxic metals may not be the whole answer to the problem of learning difficulties in children and increasing levels of violence in our society, they certainly appear to be an important piece of the puzzle.

Equally, while some would argue that small decreases in intelligence are unlikely to be important, consider the knock-on effect of a general lowering of IQs by just five points. Extrapolated to the entire population, this would mean that millions of people would be below the threshold of ‘average’ and be label-led ‘learning impaired’. The changes in social policy needed to meet such a decline should not be underestimated.

Pat Thomas Pat is a WDDTY contributing editor, and editor of our sister publication PROOF!. This has been extracted from her new book Living Dangerously (Newleaf, 2003).

WDDTY readers can purchase a copy for £10.99, a saving of £2. Postage is free if you live in the UK. Tel: 08700 113 369 for credit-card orders, or send a cheque (made out to ‘EFC Bookshop’) to: EFC Bookshop, P.O. Box 200, Falmouth, Cornwall TR11 4WJ, and mention the WDDTY offer.

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What Doctors Don't Tell You What Doctors Don’t Tell You is one of the few publications in the world that can justifiably claim to solve people's health problems - and even save lives. Our monthly newsletter gives you the facts you won't......more
 
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