latest news: in Nicaragua
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Fluoride concentrations in salt marketed in Managua, Nicaragua.
Abstract Nicaraguan legislation has established that fluoride concentrations in salt should be 200-225 mg/kg, but no report describes fluoride concentrations in salt marketed in this country. We evaluated the fluoride concentrations in 33 packages of salt of 11 brands (n = 3 each) purchased in Managua, Nicaragua. According to the package information, 9 of the […]Nicaragua Salt
Dust in the wind: How climate variables and volcanic dust affect rates of tooth wear in Central American howling mo
Abstract OBJECTIVES: Two factors have been considered important contributors to tooth wear: dietary abrasives in plant foods themselves and mineral particles adhering to ingested food. Each factor limits the functional life of teeth. Cross-population studies of wear rates in a single species living in different habitats may point to the relative contributions of each factor. […]Nicaragua Volcanoes
Sulfate, chloride and fluoride retention in Andosols exposed to volcanic acid emissions.
Abstract The continuous emissions of SO(2), HCl and HF by Masaya volcano, Nicaragua, represent a substantial source of atmospheric S-, Cl- and F-containing acid inputs for local ecosystems. We report on the effects of such acid depositions on the sulfate, chloride and fluoride contents in soils (0-40 cm) from two distinct transects located downwind from […]Nicaragua Volcanoes