In semiarid regions, reclaimed water can be an important source of emerging pollutants in groundwater. In Gran Canaria Island, reclaimed water irrigation has been practiced for over thirty years and currently represents 8% of water resources. The aim of this study was to monitor contaminants of
OBJECTIVE
To study the prevalence and characteristics of tobacco use in the last years of the high school students in Gran Canaria (Spain) enrolled in the 1996-1997 academic year.
METHODS
Cross-sectional study of a sample of 931 students obtained through a two-stage method by conglomerates and
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