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The effect of small quantities of fluorine on the human body

Based on several studies, national standard GOST 2874-54 established the maximum allowable concentration of fluorine in drinking water to be 1.5 mg/l. However, this standard cannot be considered sufficiently substantiated. Despite the fact that fluorine exhibits strong neurotropic activity, the question pertaining to the functional state of the nervous system as a result of the long-term intake of fluorine in the drinking water has remained open. Moreover, several indications of endemic fluorosi