Tag: endocrine system
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Decrease of Iodine Intake Found in Americans
The iodine status of Americans has changed significantly over the past 20 years, according to a Centers for Disease Control and Prevention (CDC) study published in October’s Journal of Clinical Endocrinology and Metabolism. While there were concerns in the 1970’s and 1980’s about possible high iodine intake, a laboratory indicator of iodine intake more recently […]
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Fluoride & Insulin
Insulin is a hormone produced by the pancreas that is responsible for maintaining appropriate levels of glucose in the blood. Insulin allows the body’s cells to take up glucose from the blood, and either use it as an energy source or store it as glycogen. Blood glucose levels in diabetics are not properly regulated, either […]
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Fluoride & Impaired Glucose Tolerance
The proper regulation of blood glucose levels is essential to good health. When the body’s ability to regulate blood glucose levels falters, as occurs in diabetes mellitus, chronic elevated glucose levels (hyperglycemia) can lead to serious complications. These consequences include damage to the kidneys, nervous system, cardiovascular system, retina, legs and feet, etc. As documented […]
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NRC (2006): Fluoride’s Impact on the Thyroid Gland
Several lines of information indicate an effect of fluoride exposure on thyroid function. It is difficult to predict exactly what effects on thyroid function are likely at what concentration of fluoride exposure and under what circumstances.
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Melatonin & Breast Cancer
I have just received a fascinating piece of snail mail from June Allen, who with her husband Dr. Phillip Allen, runs a group called Enviro-Health Concerns. She has pulled out some quotes which point to a possible connection between melatonin levels and breast cancer, and ties this back to the important work of Dr. Jennifer […]
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Aluminum, Fluoride, and Hormones
These days there is a great deal of concern about industrial chemicals, such as pesticides, additives to plastics and incinerator emissions, which disrupt the activities of hormones. Hormones are chemical messengers which finely tune and regulate the body’s chemistry. They are produced in specialiazed glands (for example, adrenaline is produced in the adrenal glands) in […]
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Luke (2001): Fluoride Deposition in the Aged Human Pineal Gland
This study has added new knowledge on the fate and distribution of fluoride in the body. It has shown for the first time that fluoride readily accumulates in the human pineal gland although there was considerable inter-individual variation
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Luke (1997): The Effect of Fluoride on the Physiology of the Pineal Gland (Excerpts)
“The results suggest that fluoride is associated with low circulating levels of melatonin and this leads to an accelerated sexual maturation in female gerbils. The results strengthen the hypothesis that the pineal has a role in pubertal development.”
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Fluoride & Secondary Hyperparathyroidism
Among humans with skeletal fluorosis, fluoride may cause secondary hyperparathyroidism or cause bone damage resembling secondary hyperparathyroidism. Secondary hyperparathyroidism is a condition in which the parathyroid glands produce too much parathyroid hormone. The condition, which commonly results from kidney disease, is triggered when the levels of calcium and phosphorous in the blood are too low. In order to ensure a sufficient supply of calcium and phosphous in the blood, the parathyroid hormone (PTH) stimulates bone cells (osteoclasts) to break down the bone.
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Fluoride, Water Hardness, and Endemic Goitre
Variations in goitre prevalence were found to correlate closely with the fluoride content (p=0-74; P<0-01) and with the hardness (p=0.77; P<0-01) of the water in each village. The effects of fluoride and water hardness seem to be independent.