#heatstroke__heat_hyperpyrexia  collapse caused by exposure to excessive heat
  supertype:  ill_health__illhealth__unhealthiness__unhealthines__healthproblem  a state in which you are unable to function normally and without pain
  subtype:  heat_exhaustion__heat_prostration__prostration  a condition marked by dizziness and nausea and weakness caused by depletion of body fluids and electrolytes
  subtype:  sunstroke__insolation__thermic_fever__thermicfever__siriasis  sudden prostration due to exposure to the sun or excessive heat

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