Credit: Charles Schulz
"I was dizzy from the middle of the first set & then I saw Snoopy & I thought, 'Wow, Snoopy, that's weird.' I couldn't keep my balance anymore & I leaned over the fence & when I woke up people were all around me." — Canadian professional tennis player Frank Dancevic, after collapsing from heat stress at the 2014 Australian Open
http://theconversation.com/how-heat-can-make-your-body-melt-down-from-the-inside-out-22042?utm_medium=email&utm_campaign=Latest+from+The+Conversation+for+16+January+2014&utm_content=Latest+from+The+Conversation+for+16+January+2014+CID_95854a17c5e2c6ceaff8c10da6a5a39f&utm_source=campaign_monitor&utm_term=Donna%20Green%20explains / tennis game match Australian Open world temperature tennis players hallucinate about Snoopy too hot heat stress stressed heat-stressed players player play fainted faint vomit vomited Snoopy court dangerous conditions Melbourne Australia stop play international sporting events sport event Australian Open tennis match US military 1950 1950s identify levels of heat stress restrict activity monitor required rest intervals water needs for soldiers soldier Wet Bulb Globe Temperature takes into account temperature humidity wind speed exposure to sunlight combine information better indicator how comfortable weather Wet Bulb Globe Temperature formula produces adjusted temperature measure measuring outside air temperature few degrees heat make all the difference body bodies function core body temperature too hot organs will start to fail heat stress can be deadly eating heating body bodies work properly eat calories calorie energy muscles organs nervous system work properly biochemical reactions turn calories food energy produce heat enzyme outside conditions temperate heat comfortable core body temperature around 37° 37 C degrees Celcius external temperature increases increase heat needs to be lost body bodies dissipate dissipation dissipating through our skin when you are hot sweat take off layers of clothes stand near a fan go into the shade less exercise drink water quickly get heat out of core through your skin temperature gradient reduce reduction reduced increase temperature humidity get getting rid of this heat fast enough vital organs equivalent self spontaneous self-combustion point temperature stop working core body temperature reaches 40°C 40 organs begin to fail cooler conditions immediately you will die hot core body temperature rise to lethal levels level a few degrees range of conditions Wet Bulb Globe Temperature, it’s commonly thought that your skin needs to be below 35°C body effectively dissipate heat producing Wet Bulb Globe Temperature must be well below 35°C inhabited places on the Earth daytime heat extreme longer term factor higher temperature conditions relent at night run of hot days hot nights heat wave heatwave people will die heatwaves many parts of the world last decade acclimatise acclimatize extremes extreme temperature physiologically resting inside during the heat of the day vulnerable people children elderly especially susceptible to heatwaves /
