I’m pretty sure it’s stress
Resting Heart Rate is:
c)
Number of contractions of the heart that occur in a one minute when your body is at rest.
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
The skin colour can become red