Conditions That Increase Your Risk of Developing a Heat-Related Illness

Many conditions can increase your risk for developing a heat-related illness.

• Environmental conditions that make it hard to stay cool
  • High outdoor temperature, or high indoor temperature without cooling devices such as fans or air-conditioning
  • High humidity
  • High outdoor temperature and no wind or very light wind
• Intense physical exertion or having to wear heavy and restrictive work clothing in hot weather
• Losing body fluids from sweating without drinking enough to replace those lost fluids and minerals
• You have not been able to acclimate to a hot environment and you have had a heat-related illness in the past.

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