Which of the following is not a risk factor for water intoxication?

a. a low body mass

b. heat stress

c. resting

d. overexertion

The answer is c. resting. Water intoxication, also known as hyperhydration or water poisoning, is a fatal condition caused by too much electrolytes in the body from drinking too much water in a short period of time. The rest of the choices are results of this condition. Additionally, water intoxication can be caused by psychiatric conditions, endurance sports, and iatrogenic care.