Heat Stress

Sep 11, 2015

Taking part in physical activities on warm or hot days can be dangerous. You may be subject to heat stress which includes heat cramps, heat exhaustion or even heat stroke. We all vary in our susceptibility to these heat related conditions, but everyone can suffer from heat stress under the right conditions. Some contributing factors may include: lack of physical fitness, age, obesity, infection, dehydration, sunburn or chronic disease. 

What is Heat Stress?

Heat Stress is the adverse effects that happen to your body when it is overheated. The adverse effects usually happen in the following order but a person can proceed rapidly through these conditions.

  • Dehydration
  • Heat cramps
    • Caused by heavy sweating with inadequate electrolyte replacement.
    • Signs involve muscular pains due largely to loss of salt.
  • Heat exhaustion
    • Occurs from increased stress on various body organs including inadequate blood circulation due to dehydration.
    • Possible symptoms include: pale/clammy skin, tiredness, weakness, headache, nausea, dizziness, possible fainting.
  • Heat stroke
    • The most serious form of heat stress.
    • Temperature regulation fails and the body temperature rises to critical levels and the sweating mechanism of the body is disturbed.
    • Heat Stroke is an immediate, life-threatening emergency and medical care is urgently needed.
    • Some symptoms include:skin is hot, lack of perspiration, nausea, dizziness, confusion, pulse rapid and strong, person may be unconscious.


Controlling Heat Stress

  • Heat Stress can affect health and safety. There are steps we can take to help protect ourselves and others from heat stress and related illnesses.
  • Drink water frequently (at least one cup every 20 minutes :)
  • Limit activity to the coolest part of the day
  • Recognize the signs of heat-related disorders
  • Wear lightweight/light-colored clothing
  • Avoid caffeinated beverages
  • Take rest breaks
  • If you start to experience cramps, stop what you are doing to cool off and rest
  • Seek help if you think you, or someone else, may be experiencing heat stress

Thank you to the Personal & Professional Development Committee Vice Chair, Tyra Peluso, for writing this blog for us! Stay cool everyone!


  1. 2 marye 14 Jun
    Hello and thank you for this nice work you do for all of us
  2. 1 Vale Aylesbury 23 Aug
    Heat stress can be a pretty frightening experience, you might almost feel like you are dying - Vale


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