Heat stroke can kill or cause damage to the brain and other internal organs, and is most likely to effect someone doing an activity like, Working out, playing soccer, playing basketball.
Hopefully this could help :)
Answer:
Simply drinking less or no water
false, swimming pools are a breeding place for bacteria
Seeing a therapist, a priest, taking soboxone (approved by a doctor. However can be highly addictive too), going to the doctor daily.