A precious and divinely efficacious medicine should be prepared or taken when the Moon is in the amrita ghatikas of a star. Then it acts like the nectar of the Gods and cures the ailment of the native. It removes completely all ailments arising from the three humours. It brings back perfect health, makes the organs firm and strong, and assures a long life. The founder of the medical science was the sage Dhanvantari, born of the milky ocean. He has explained in many ways the medical treatments to be followed for removing the various diseases.