The defining difference is the fact that those with anxiety blow things out of proportion much more frequently and with much more intensity than someone who is struggling with worry thoughts about something,” Forshee says.
Heat exhaustion is when your body starts to decline from the heat but not too much and your body just starts to get exhausted from the heat but with a heat stroke your body just starts to give up and it's too much heat almost similar to an regular stroke just with heat *hope this helps*