Someone figure this out for me? in advance : )

Is it necessary to use additional codes from the mental health chapter in icd-10 to explain substance abuse or dependence when assigning codes from the table of drugs and chemicals?

When considering the claim that eating well to reduce stress, what advice might you give a friend who appears to be stressed about an upcoming exam, but chooses to have chips and soda for lunch everyday?

Which of the following is not a fitness benefit of cycling a: very effective at burning fat b: provides an upper body workout c: provides an aerobic workout d: good exercise for out of shape people