Learn to recognize the signs of heat related illness.Submitted by 86944 in Disaster_Prep (edited )
Some further reading.
https://extension.msstate.edu/blog/how-recognize-heat-related-illness
https://www.mayoclinic.org/diseases-conditions/heat-stroke/symptoms-causes/syc-20353581
My sources are US centric. If you have sources in other languages feel free to post them below.