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Alternative wastewater treatment systems combat many on-site disposal problems, but no incentives are given to householders to improve the domestic wastewater quality before treatment or disposal. While governments address phosphorus reduction programs, the effect of sodium in wastewater is ignored. Many laundry detergents use sodium salts as fillers,… (More)
Pica is a behavior commonly displayed by children, pregnant females, and individuals with mental retardation. A population of institutionalized adults with mental retardation was assessed for pica. Of this population, 10.8% were identified with this behavior. Also, this article discusses aspects of pica and describes how this behavior can affect the mouth.