According to the compendium of Charaka, the Charakasamhitā, health and disease are not predetermined and life may be prolonged by human effort.
The compendium of Suśruta, the Suśrutasamhitā defines the purpose of medicine to cure the diseases of the sick, protect the healthy, and to prolong life.
Medicine was heavily professionalized in the 20th century, and new careers opened to women as nurses (from the 1870s) and as physicians (especially after 1970).
Although there is no record to establish when plants were first used for medicinal purposes (herbalism), the use of plants as healing agents, as well as clays and soils is ancient.
Also, the earliest known woman physician, Peseshet, practiced in Ancient Egypt at the time of the 4th dynasty.
The Ayurvedic classics mention eight branches of medicine: kāyācikitsā (internal medicine), śalyacikitsā (surgery including anatomy), śālākyacikitsā (eye, ear, nose, and throat diseases), kaumārabhṛtya (pediatrics with obstetrics and gynaecology), bhūtavidyā (spirit and psychiatric medicine), agada tantra (toxicology with treatments of stings and bites), rasāyana (science of rejuvenation), and vājīkaraṇa (aphrodisiac and fertility).
Both these ancient compendia include details of the examination, diagnosis, treatment, and prognosis of numerous ailments.
The Suśrutasamhitā is notable for describing procedures on various forms of surgery, including rhinoplasty, the repair of torn ear lobes, perineal lithotomy, cataract surgery, and several other excisions and other surgical procedures.
The symptoms and diseases of a patient were treated through therapeutic means such as bandages, herbs and creams.
because of the dry climate and the notable public health system that they possessed.