Raises the question of why more attention is not paid to these preventable deaths. [Slate]

Information on dehydration and heat-related illness, presented by Survive Outdoors, Inc.

Presents the causes, symptoms, and prevention, from the University of Maryland Medicine.

Consumer health resource center providing information on the causes, symptoms, and treatment.

Identifies people most at risk, explains how to stay healthy in hot weather, and lists symptoms and treatment of problems such as heat stroke, heat rash, and sunburns. From the US National Center for Environmental Health (NCEH).

Ways to keep people and buildings cool during a heat wave. From the US Federal Emergence Management Agency (FEMA).

Consumer health resource center providing information on the causes, symptoms, and treatment on heat related illness. Presented by eMedicine Health.

CBC News reports on heat stroke and heat exhaustion.

What to do when a heat wave strikes. Heat related illnesses and symptoms. The heat index section and its effects is especially important for high risk individuals. From the National Weather Service.

Uses the story of three hikers to illustrate what can go wrong in the heat. Stresses drinking water and electrolytes. From the GORP Trail Survival Guide.

Tips for staying safe in warm weather, and how to recognize and care for different stages of heat injuries. Includes a glossary of related terms. From the American Red Cross.

Steps, tips and overall warnings. From eHow.com

Brief narrative explains the cause, effect and treatment of heat stroke.

Resources and fact sheets for dealing with heat related illnesses.