- Heat Illness: MedlinePlus
- Heat emergencies: MedlinePlus Medical Encyclopedia
- CDC Extreme Heat | Frequently Asked Questions - Centers for Disease Control and Prevention
- Heat Exhaustion and Heatstroke — familydoctor.org - American Academy of Family Physicians
- Heat-exhaustion-and-heatstroke – Introduction - National Health Service – United Kingdom
- Office of Environmental Health – Protecting yourself from Arizona Heat – AZ Dept. of Health Svcs
- Heat Exhaustion and Heatstroke Instruction Sheet - Kids Health
- Heat Cramps, Heat Exhaustion and Heat Stroke - Children’s Hospital Boston – Harvard Medical School
- NIOSH Topic: Heat Stress | CDC NIOSH - National Institute for Occupational Safety and Health – Centers for Disease Control and Prevention
- Age Page: Hyperthermia: Too Hot for Your Health - National Institute on Aging
- Heat Waves: extreme,heat,exhaustion,stroke,weather – Texas - Texas Extension Disaster Education Network
