I believe you are free to hike without training.
D. Hike
Make sure the scene is safe
Hmm I don't know in what way you're referring to, but something called yo-yo dieting<span> or the </span>yo-yo<span> effect might be what you're looking for. It's when someone looses weight and then regains it back.
Hoping I helped!</span>
The progression from least to worse is: Heat cramps -> heat exhaustion -> heat stroke
Your Answer is Heat exhaustion.
