The straightforward tone of this article can be seen in all of these lines EXCEPT
A) This is why it is important to seek treatment from a qualified acupuncture practitioner.
B) When not delivered properly, acupuncture can cause serious adverse effects, including infections and punctured organs.
C) The term acupuncture describes a family of procedures involving stimulation of anatomical points on the body by a variety of techniques.
D) Preclinical studies have documented acupuncture's effects, but they have not been able to fully explain how acupuncture works within the framework of the Western system of medicine that is commonly practiced in the United States.