How can poor posture result in back pain? a. bad posture can result in tight muscles. b. bad posture hyperextends the spinal column. c. bad posture increases back flexibility. d. bad posture reduces stress on joints and tendons.

Which action is important to a pregnant woman’s health? see a doctor for regular x-rays drink alcohol in small amounts engage in regular physical activity eat a diet rich in seafood

The dietary guidelines for americans recommend (a) avoiding smoking. (b) engaging in aerobic exercise for 60 minutes at least five days a week. (c) making all of your grain choices whole grains. (d) increasing your intake of fruits and vegetables.

List three reasons people may begin using tobacco