Learn what water does for the body, from cell structure and joint lubrication to body temperature regulation and vitamin dissolution.

Understand potential problems, such as what dehydration is and can do, and what water contamination means to third world countries and disaster areas.

Learn what concerns surround water alternatives like energy drinks and sodas.

Get recommendations for water intake daily and during exercise, where we get our water, and health regulations for purity, filtrations and additives.