Research Studies
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Changes of the heart muscle due to chronic fluorosis. Part 1: Electrocardiogram and cardiac x-rays in inhabitants of a high fluoride zoneAbstract
1) The author examined inhabitants of a high fluoride zone (Shionoe village, Kagawa Prefecture, and Odani villAge, Sanyo town, Okayama Prefecture). ln residents of these zones , greater myocardial damage was detected electrocardiographically and dilatation of the cardiac sillouette roentgenograpbically than in n0n-fluoride areas. 2) The myocardial damage appears to be related to the high fluoride content of drinking water.