Communicable disease was once the major challenge of public health; current priorities are based on what?

Aperson who doesn't have enough calcium in his or her diet is at risk for developing bones that are weak and break easily. this condition is known as  a.  osteoporosis.    b.  crohn's disease.    c.  celiac disease.    d.  hemophilia.

Which food preservation method can people use at home? a. fermentation b. irradiation c. pasteurization d. thermal processing

By signing the patient’s ehr with the digital signature, the provider certifies that all data and information in the patient ehr is: