Which of these is underconsumed in the united states

Why are slow-twitch muscles more beneficial than fast-twitch muscles for cardiorespiratory fitness?

Which statement is most correct about self esteem?

Knowing if a patient has tuberculosis, hepatitis b, or aids is important because a. serious illnesses should be avoided. b. they could compromise the vital sign readings. c. cross-infection may occur. d. they can't be cured.