Choose lower-fat and lean options of dairy, meat, and poultry — like skim milk, lean beef, and grilled chicken breast without the skin.
A reason could be to lose weight or lowering blood pressure and having higher energy levels.
I am not sure what you mean by the training zones but it’s important to know your heart beat to see if it’s going to high or low, if it’s low then that is bad.
Indicators that an individual is experiencing high stress include all of the following except: A