SUMMARY: As part of our investigation of fluoride toxicity effects in a group of 80
Swiss albino adult male mice, we examined the mitigating effects of black tea extract
(BTE) on the F-induced enzymatic and non-enzymatic parameters of oxidative stress
in the cerebral hemisphere (CH), cerebellum (CB), and medulla oblongata (MO) of the brains of these mice. Oral administration of 6 and 12 mg NaF/kg bw/day to the mice for 30 days resulted in a significant increase in level of lipid peroxidation (LPO) and dehydroascorbic (DAA) acid as well as a decrease in glutathione (GSH), total
ascorbic acid (TAA), and reduced ascorbic acid. In addition, the activities of the
enzymatic antioxidants catalase (CAT), superoxide dismutase (SOD), glutathione
reductase (GSH-Pr), and glutathione peroxidase (GSH-Px) as well as cholinesterase
(ChE) also decreased. No significant recovery in any of these parameters was
observed upon withdrawal of the NaF treatment for 30 days. However, administration of BTE along with the NaF during the experiment resulted in significant mitigation of all the NaF-induced effects that were examined.
Amelioration by black tea of sodium fluoride-induced changes in protein content of cerebral hemisphere, cerebellum and medulla oblongata in brain region of mice.
Oral administration of sodium fluoride (NaF, 6 and 12 mg/kg body weight/day) to Swiss strain male albino mice for 30 days caused significant dose-dependant reduction in the content of acidic, basic, neutral, and total protein in cerebral hemisphere, cerebellum and medulla oblongata region of brain. After 30 days of NaF
Mitigation of sodium fluoride induced toxicity in mice brain by black tea infusion.
SUMMARY: In an extension of previous work on fluoride (F) toxicity in a group of 80 Swiss albino mice, the mitigating effects of polyphenols in black tea on the F-induced increase in glycogen, cholesterol, and total lipids in the cerebral hemisphere (CH), cerebellum (CB), and medulla oblongata (MO) regions of
A case of thick but brittle bones and instant tea
CASE DESCRIPTION A 45-year-old white male was found to have radiographic findings of a diffusely dense appendicular skeleton, mild trabecular thickening, and multiple thoracic compression fractures indicating structural weakness. Bone mineral density was above the expected range for his age on the lumbar spine and femoral neck. Social history was significant
Skeletal fluorosis due to excessive tea and toothpaste consumption.
We describe the case of a 53-year-old woman who presented with a metatarsal fracture and was found to have a bone mineral density (BMD) T-score of +11 in the lumbar spine and +7.6 in the hip. Subsequent investigation revealed very high serum, urine and tissue fluoride levels, associated with excessive
Risk assessment of fluoride daily intake from preference beverage.
Background/purpose: Tea, coffee and alcohol beverages are called preference beverage and are drunk habitual and in large quantities. Therefore, there is a high possibility that a health risk is caused by the contained components, and risk assessment of intake is essential. However, the risk assessment of fluoride intake
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The Lancet: Fluoride Studies in a Patient with Arthritis
It is possible that fluoride intake from tea may be sufficient to cause fluorosis, and I report here a case which gives some evidence for this.
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As of May 2020, a total of 75 studies have investigated the relationship between fluoride and human intelligence. Of these investigations, 67 studies have found that elevated fluoride exposure is associated with reduced IQ in humans, while over 60 animal studies have found that fluoride exposure impairs the learning and/or
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Fluoride Affects Learning & Memory in Animals
An association between elevated fluoride exposure and reduced intelligence has now been observed in 65 IQ studies. Although a link between fluoride and intelligence might initially seem surprising or random, it is actually consistent with a large body of animal research. This animal research includes the following 45 studies (out
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