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Fluoride is another chemical often added to drinking water, primarily for dental health advantages. Community water fluoridation significantly decreases the incidence of tooth decay, making it a beneficial addition in many areas. However, the levels of fluoride must be monitored carefully to avoid dental fluorosis, a condition resulting from excessive fluoride exposure during early childhood.
drinking water purifying chemicals

The mechanism by which NMU induces mutations is primarily through its alkylating properties. Upon exposure, NMU can add alkyl groups to DNA bases, leading to mispairing during DNA replication. This results in transitions or transversions in the nucleotide sequence, which can ultimately lead to permanent mutations. If these mutations occur in critical genes responsible for regulating cell growth and division, such as proto-oncogenes and tumor suppressor genes, they may lead to uncontrolled cell proliferation and cancer.
nitroso methyl urea
