Fluoride has been added to Irish water since 1965 after the Health fluoridation of water supplies act 1960. In 2002 it was approximated 71% of the population were living in fluoridated areas.

In 2007 levels of fluoridation have been lowered from the original 1 ppm(part per million) to between 0.6ppm – 0.8ppm.

Is this value low enough?

Do we need to fluoridate our water supply?

Fluoride is a poison

Under the 1972 poisons act fluoride was listed as a schedule 2 poison.

The authorities maintain that it is safe once it is diluted down to on average 0.7ppm. But how do we know for sure how much we are actually absorbing into our body. On a daily basis we are constantly exposed to fluoride, from water supplies, the air you breathe, the food you eat and your daily toothpaste.

In 1958 Galletti and Joyet did some clinical research. They found that daily doses of fluoride of between 2-5mg over several months is capable of reducing thyroid function.

Later in 1991 the DHHS found that people living in fluoridated areas were estimated to receive between 1.6 – 6.6mg on a daily basis. This is more than enough to cause damage to your thyroid.

The other shocking thing about fluoride is that you can only eliminate half of what you ingest. So it accumulates in your body over time. So for the older community this can have serious effects also the very young are at risk. As babies are very sensitive to fluoride so baby formula made with fluoridated water can have very negative effects.

The effects on your thyroid

Now to get a better understanding of what fluoride does to your health first let’s look at the thyroid.

The thyroid gland regulates you metabolism playing an extremely important part in your health. Every metabolically active cell requires thyroid hormone to allow it to properly function.

If this pathway is disrupted it can have very negative effects on your health and you can experience

  • weight issues
  • fatigue
  • depression
  • feel cold
  • constipated
  • arthritis
  • hair loss
  • infertility
  • atherosclerosis
  • and chronic illness.

How does it do this?

Fluoride is an enzyme poison. An enzyme is a complex protein compound that speeds up metabolic processes while remaining unchanged itself. These reactions keep us alive and produce the energy we need to sustain our life.

These enzymes are made up of chains of amino acids linked together with a simple compound called amides. It is these amides that fluoride attacks and damages As a result the amides become split and distorted and damages the enzyme and its activity

Fluoride damages the thyroid function in 4 different ways.

  1. It affects how the thyroid produces the active forms of thyroid hormone T3 and T4 by damaging how iodine works with the amino acids.
  2.  It damages the way certain G proteins are stimulated. G proteins are responsible for governing the cellular uptake of substances. Fluoride switches off the uptake of active thyroid hormone.
  3. It reduces the output of thyroid hormones by inhibiting the output of thyroid stimulating hormone from the pituitary.
  4. Fluoride attaches to the receptor sites on the thyroid gland that thyroid stimulating hormone is meant to attach to. As a result less of this hormone reaches the thyroid and so less thyroid hormone is produced.

Compounding the problem

In today’s environment where there are more and more toxins in our environment. Widespread nutrient deficiencies thyroid issues have become a major issue.

Professor Hume found that 141 million Europeans are at risk of being iodine deficient. Only 5 counties in Europe have sufficient iodine levels.

This has a double negative effect because fluoride inhibits iodine and if iodine levels are already low it could have truly damaging effects.

To conclude. We all need to actively eliminate as much fluoride as we possibly can from our life, simple changes such as fluoride free toothpaste, bottled water as opposed to tap water will all help. There are also reverse osmosis kits you can install in your home to eliminate fluoride from your water supply.


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