Everyone knows that the menstrual cycle is closely linked to lunar cycles. In my opinion, such a tough their relationship - it is acquired, an artificial phenomenon. As already mentioned, the moon appeared later than the very life on Earth. But for some reason it had the effect on the female body, the psyche a strong influence. One such reason is the various lunar cults and rites. Many religions originate from the lunar gods. In particular, Christianity as a "religion of the moon." The more people turned to the Moon through prayer and other magical acts, the more it Refundable respective energies, that is, the more effect on people. Female body is more sensitive, gradually found himself in ever greater dependence, and this dependence is manifested even at the cellular level.