This PowerPoint presentation copyrighted by Alticor Corporation in 2003 discusses water and its effects on the human body. It notes that water is essential for life and health, transporting nutrients and regulating temperature. It then discusses potential contaminants in water like chemicals, microbes, and particulates that can cause health issues. Various water treatment methods like boiling, filters, and UV light are presented. The presentation concludes by promoting the eSpring water filtration system and its certification, noting it removes over 140 health-effect contaminants.