Final answer:
The statement that is not true regarding stress is that stress always leads to the development of a mental disorder.
Correct option is b.
Step-by-step explanation:
The statement that is not true regarding stress is option b) stress always leads to the development of a mental disorder.
While stress can contribute to the development of certain psychological disorders, it does not always lead to the development of a mental disorder. The impact of stress on mental health varies depending on the individual and their coping mechanisms.
It's important to note that stress is a common experience in childhood and adolescence (option c), and stress becomes problematic when it is chronic (option d).