This volume describes the methods used in the surveillance of drinking water quality in the light of the special problems of small-community supplies, particularly in developing countries, and outlines the strategies necessary to ensure that surveillance is effective.

The purpose of this publication is to raise educators' awareness and understanding of water quality topics and issues by demonstrating the relationship of water quality to personal, public, and environmental health. This publication gives the user an opportunity to explore water quality topics in an interactive, easy-to-use, hands-on format.

This guide contains 19 science-based, multidisciplinary activities that teach what a watershed is, how it works and why we must all consider ourselves watershed managers. An extensive background section introduces readers to fundamental watershed concepts. Each activity adapts to local watersheds, contains e-links for further Internet research and is correlated to national science standards.

THE NEW YORK TIMES BESTSELLING DIET BOOK PHENOMENON If you’ve ever suspected that not everyone should eat the same thing or do the same exercise, you’re right. In fact, what foods we absorb well and how our bodies handle stress differ with each blood type. Your blood type reflects your internal chemistry. It is the key that unlocks the mysteries of disease, longevity, fitness, and emotional strength. It determines your susceptibility to illness, the foods you should eat, and ways to avoid the most troubling health problems. Based on decades of research and practical application, Eat Right 4 Your Type offers an individualized diet-and-health plan that is right for you. In this revised and updated edition of Eat Right 4 Your Type, you will learn: • Which foods, spices, teas, and condiments will help maintain your optimal health and ideal weight • Which vitamins and supplements to emphasize or avoid • Which medications function best in your system • Whether your stress goes to your muscles or to your nervous system • Whether your stress is relieved better through aerobics or meditation • Whether you should walk, swim, or play tennis or golf as your mode of exercise • How knowing your blood type can help you avoid many common viruses and infections • How knowing your blood type can help you fight back against life-threatening diseases • How to slow down the aging process by avoiding factors that cause rapid cell deterioration INCLUDES A 10-DAY JUMP-START PLAN

TEXTBOOK OF EPIDEMIOLOGY The gold standard in epidemiological texts In the second edition of Textbook of Epidemiology, a distinguished team of researchers deliver an extensively updated and comprehensive exploration of epidemiological methods, illuminating the tools for studying the distribution and risk factors of health states and events in populations. An introduction to epidemiological methods with recent and broadly applicable examples End-of-chapter self-assessment questions for readers to check their understanding of key concepts, with answer keys and further enrichment materials available on a companion website A brand-new chapter covering methods for systematic review and meta-analysis Accessible material appropriate for clinical practitioners and researchers from around the world Perfect for professionals working in clinical medicine and public health, Textbook of Epidemiology will also earn a place in the libraries of allied health professionals seeking a one-stop resource or to reimmerse themselves in specific methodological topics and practices.