Which statement about acupuncture is not supported by the article? a) acupuncture needles are hair-thin. b) tcm practices are quite different than those in the western world. c) imbalance is believed to occur when the flow of vital energy is blocked. d) yin represents the hot, excited or active principle in the body's balance system.

the answer is choice d) yin represents the hot, exited or active principle in the body's balance system.

D) Yin represents the hot, excited or active principle in the body's balance system.

Yin represents the hot, excited or active principle in the body’s balance system. is not supported, because Yin represents the cold, slow, or passive principle, while yang represents the hot, excited, or active principle