A and that would be because it's only a warning.
Answer:
Signs of stress overload can be (but are not limited to):
Moodiness
Headaches, stomachaches
Panic/anxiety attacks
Allergic reactions
Hope it helps! :)
Endorphins reducing stress levels
Low calorie(carbohydrates) things. Example: Instead of White bread they would need Whole Wheat bread and less major sugars like over doing it on pop and candy sometimes even simple veggies like corn or fruits like Strawberries because of their Natural sugars