.Some.f.he.ites.cupuncturists.se.eedles.t.oday.till.ave the same Cames as this given to them by the Yellow empower's Classic. 29 :93 Numerous additional documents were published over the centuries introducing new acupoints. 29 :101 By the 4th century AD, most of the acupuncture sites in use today had been named and identified. 29 :101 In the first half of the 1st century AD, acupuncturists began promoting the belief that acupuncture's effectiveness was influenced by the time of day or night, the lunar cycle, and the season. 29 :140-141 The Science of the Yin-Yang Cycles yen chi Hsüeh was a set of beliefs...