All of the Following Are Recommendations of the National Osteoporosis

All of the following are recommendations of the National Osteoporosis Foundation (NOF) for ways to prevent osteoporosis except:

A) Maintain a diet rich in calcium and vitamin D.
B) Routinely participate in weight bearing and aerobic exercises.
C) Strengthen the core and protect the spine with flexion exercises (curls and sit-ups) .
D) Stop smoking and decrease excessive alcohol consumption.