Rasayana (रसायनम्)

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Rasayana (रसायनम्) is one of the 8 main branches of Ayurveda. This branch deals with use of various pharmacological and non-pharmacological measures to provide and prolong positive health. Rasayana can also be considered as the rejuvenation therapy, wellness promoting therapy and preventive healthcare modality to confer health and longevity. Various modern research studies have reported that traditional Ayurveda Rasayana treatments work as rejuvenating therapies by offering effective anti-oxidant, anti-inflammatory, Adaptogenic and Immuno-modulator activities. Thus, Rasayana treatment is also popularly known as Anti-ageing therapy.

परिचयः ॥ Introduction

Rasayana is defined as the means of procuring the best qualities of different dhatus (tissues) in sharira. Rasayana therapy also improves longevity, memory, intelligence, health, youth, complexion, voice, motor, and sensory strength

Rasayana tantra is a specialized practice in the form of rejuvenation recipes, dietary regimen, special health-promoting conduct/behavior and drugs.

व्युत्पत्तिः ॥ Etymology

The word "Rasayana" means the pathway for essence of nutrition (Rasa-) towards all body tissue elements (-ayana) to nourish and replenish them.

रसायनस्य परिभाषा ॥ Rasayana Definition

Caraka states that, the means of obtaining optimum nourishment to the Dhatus are called Rasayana.

रसायनतन्त्रं नाम वयःस्थापनमायुर्मेधाबलकरं रोगापहरणसमर्थं च । (Sush. Samh. 1.7)

Acharya Sushruta defines Rasayana as a measure, which prolongs and provides positive health. improves mental faculties and provides resistance and immunity against diseases.

Sharangadhara Samhita explains the term 'Rasayana' as that which prevents ageing as well as diseases.

Place of Rasayana in Ayurveda

Rasayana tantra is a specialty of Ayurveda. It is also known as Jarachikitsa. Various methods to prevent premature ageing, achieve longevity (by preventing diseases and preserving the health), increase the strength, endurance and immunity are discussed under this branch of Ayurveda. The word जरा । ‘Jara’ means Ageing or senility. Thus, Jarachikitsa also signifies the specialty treatments in Ayurveda for diseases occurring in old age. Therefore, this branch is commonly referred to as Geriatrics but its scope is not limited to the subject of Geriatrics in conventional medicine.

Jara : The alternative term for Rasayanatantram

Ayurveda has considered Jara or vardhakya as a natural and inevitable process as well as a Swabhavaja vyddhi (natural disease). Etymologically, the term Jara comprises of Jr+Ana+ Tap.

The term Jara has been derived from the Sanskrit root,

"Irisb vayohanow" which can be explained as "Vayah krta slata mamsadya vastha visesa" which means the muscles and other tissues are loosened under the influence of aging. Totally this term indicates of the' loss' in the period of life span.

A synonym of Jara "Visrasa" is derived from the word "Sramsu adahpatane" which means a degradation / retardation in the physical, physiological and psychological well-being.

Benefits of Rasayana

It was well known to Ayurveda physicians that the delicate cellular machinery of the body suffers from trauma, resulting in wear and tear on different body structures and the deterioration of the functional capacity. For this, procedures of revitalization and rejuvenation (Rasayana therapy) were adopted to increase the power of resistance to disease, these procedures retarded advancement of aging also. [needs editing]

दीर्घमायुः स्मृतिं मेधामारोग्यं तरुणंवयः| प्रभावर्णस्वरौदार्यं देहेन्द्रियबलं परम्||

वाक्सिद्धिं प्रणतिंकान्तिं लभते ना रसायनात्| लाभोपायो हि शस्तानां रसादीनां रसायनम्|| (Char. Samh. 1.7)

dīrghamāyuḥ smr̥tiṁ mēdhāmārōgyaṁ taruṇaṁ vayaḥ| prabhāvarṇasvaraudāryaṁ dēhēndriyabalaṁ param||

vāksiddhiṁ praṇatiṁ kāntiṁ labhatēnā rasāyanāt| lābhōpāyō hi śastānāṁ rasādīnāṁ rasāyanam||

Meaning: By promotive treatment, one attains longevity, memory, intelligence, freedom from illness, youthfulness, excellence of lustre, complexion and voice, optimum strength of physique and sense organs, perfection in deliberation, respectability and brilliance. Rasayana is the means of attaining excellent qualities of rasa etc. dhatus i.e. body cells and tissues.

Person taking Rasayana therapy attains longevity, enhanced cognitive functions specifically related to memory and intellect, radiating complexion and luster, good quality voice, superior strength of body and sense organs such that /what he says comes true. These qualitites naturally make such person respectable, successful and popular. the person attains physical and mental strength of such a nature that whatever he decides can achieve without any obstruction caused my health of body and mind.

Who can take Rasayana?

Acharya Sushruta has clearly mentioned that, Rasayanas can be used in either young age or middle age. although Rasayana branch of Ayurveda is correlated with Geriatrics in the conventional medicine, it is necessary to understand the target age group of these correlated branches. Rasayans are administered to arrest the progression towards ageing thus need to be utilized in early age before the the senility sets in completely.

Pretreatment for Rasayana

‘Rasayana’ enhances the functions of the whole body system. ‘Rasayana’ treatment for rejuvenation is done after the system is thoroughly cleansed by ‘Panchakarma’ therapy. ‘Panchakarma’ is essentially a pretreatment equipping the body tissues for ‘Rasayana’ therapy. Shushruta observed that a person, whose system is not been previously cleansed by proper purification remedies, cannot expect good results with ‘Rasayana’ treatment. [Needs editing]

Historic considerations of Rasayana

Rasayaan therapy is prevalent since the time of Vedas since one can find references of Rasayana herbs like Soma, Pippali, Jivanti etc scattered at many places in Vedas. References related to Achara Rasayana and Sadvrtta can also be found at places in Vedas. (Rig veda 5/1/7, Atharva veda 16/2/2).

रसायनस्य भेदाः ॥ Classification of Rasayanas

Rasayanas are classified on the basis of the purpose behind its usage as follows:

1. Naimittika Rasayna
2. Ajasrika Rasayana
3. Kamya Rasayana

Naimittika rasayana

It is the type of rasayana therapy utilized for specific curative purpose. It hastens the recovery from prevailing diseases. Some examples of this rasayana are Dhatri rasayana, Mandookaparni rasayana, Brahmi rasayana, and Triphala rasayana.

Ajasrika rasayana

It is used to improve health and maintaining good healthy lifestyle, diet or exercise. It involves utilization of milk, ghee, honey and maintenance of disciplined life style.

Kamya rasayana

It is used to improve a specific function (kama desire). It also improves prana (life energy),

Medha kamya;

used for enhancing the memory and intellect. e.g. Shankhapushpi.

Ayush Kamya;

used for increasing longevity.

As per method of use-

1. Vatatapika Rasayana or outdoor practice
2. Kutipraveshika Rasayana or intensive indoor regimen(inclusive of panchkarma) using a specially designed trigarbha rasayana kuti or therapy chamber

Ayurveda, the oldest medical system in the world, provides lots of lead to find active and therapeutically useful compounds from plants. ‘Rasayana’ formulations in Indian traditional medicine may have antioxidant activity arising from individual plants, and may act synergistically to prevent aging and related degenerative diseases.[Needs editing]