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Alteration of paraoxonase, arylesterase and lactonase activities in people around fluoride endemic area of Tamil Nadu, India.

Excerpts .. High fluoride content in ground and surface water is a serious ecological problem for many countries including Algeria, Argentina, Australia, Canada, China, India, Iran, Iraq, Japan, Kenya, New Zealand, Libya, Turkey, South Africa, Srilanka, Thailand and the United States [1]. … In this study, 3 districts of Tamil Nadu namely (i) Salem, (ii) Dharmapuri and (iii) Krishnagiri were selected based on the prevalence of high fluoride contaminated water in order to assess its toxici