简介:Currently,therearefourcategoriesofcomplementaryandalternativemedicine(CAM)intheUnitedStatesofAmerica:1)about80CAMschools,3""-,4yearprogramfocusingonacupunctureandherbalmedicine;4""5yearprogramforchiropractic.2)64%oftheUSmedicalschoolsofferCAMcourses,suchasacupuncture,chiropractic,herbalmedicineandhomeopathy.HarvardMedicalSchoolhasbeenofferingCAMfor9years.