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say to everybody that's watching, chris, is empower yourself with the right information. spf greater than 30. 12% of people are actually using sunscreen appropriately. easy things that we can all do we should be doing. number two, in this era of wearable devices, i know maybe not everybody owns one, the one thing i talk about with my patients, chris, something that i think we have had conversations on is look at your heart rate. try to get a measure of your heart rate throughout the day. we need four liters of fluid now every single day in the heat and humidity, up from one to two liters in the winter. the way you know you are dehydrated is looking at your curve throughout the day. if your resting heart rate is increasing throughout the day you're probably not drinking enough fluid. it is one way to empower yourself with the right information to make sure you're doing all the things you can to prevent a heatstroke. >> thank you all.