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== Tattva Vimarsha(Fundamental Principles) ==

== Tattva Vimarsha(Fundamental Principles) ==

*''Rasa'' (taste) of any substance is six in number, and the source element for the manifestation of all forms of tastes is ''jala mahabhuta''.

*''Rasa'' (taste) of any substance is six in number, and the source element for the manifestation of all forms of tastes is [[jala]] [[mahabhuta]].

*According to the science of [[Ayurveda]], all matter (animate or inanimate) is made up of the five ''mahabhutas'' (five basic elements).

*According to the science of [[Ayurveda]], all matter (animate or inanimate) is made up of the five [[mahabhuta]] (five basic elements).

*The matter is the substratum of ''rasa''.

*The matter is the substratum of ''rasa''.

*There is nothing in the world which does not have therapeutic value, and at the same time, everything cannot be used for the treatment of every disease.  

*There is nothing in the world which does not have therapeutic value, and at the same time, everything cannot be used for the treatment of every disease.  

*Drugs or diet abounding in the properties of given ''mahabhuta'' are useful in making good the deficiency of that ''mahabhuta'' in the body.  

*Drugs or diet abounding in the properties of given [[mahabhuta]] are useful in making good the deficiency of that [[mahabhuta]] in the body.  

*A physician, well acquainted with the classification of ''rasa'' and ''doshas'', seldom commits blunders in ascertaining the etiology, symptomatology, and treatment of diseases.  

*A physician, well acquainted with the classification of ''rasa'' and [[dosha]], seldom commits blunders in ascertaining the etiology, symptomatology, and treatment of diseases.  

*Drugs and diets having particular taste cause disease and if administered with due care, they can also cure disease.  

*Drugs and diets having particular taste cause disease and if administered with due care, they can also cure disease.  

*General principles of drug action are described with the help of the attributes namely ''rasa'' (taste), ''guna''(quality),''veerya'' (potency/energy of molecules to produce action), ''vipaka'' (factor of metabolism) and ''prabhava'' (specific principle).

*General principles of drug action are described with the help of the attributes namely ''rasa'' (taste), [[guna]](quality),''veerya'' (potency/energy of molecules to produce action), ''vipaka'' (factor of metabolism) and ''prabhava'' (specific principle).

*The accomplishment of treatment is totally dependent on ''paradi gunas'' which are general attributes dealing with processing and prescribing of drugs Charak emphatically stated that without understanding the concept of ''paradi guna'', a physician cannot be successful in curing the disease.  

*The accomplishment of treatment is totally dependent on ''paradi gunas'' which are general attributes dealing with processing and prescribing of drugs Charak emphatically stated that without understanding the concept of ''paradi guna'', a physician cannot be successful in curing the disease.  

*Rasa helps not only in understanding the ''panchabhautik'' composition of drug/diet but also serves as a tool for identification of the rest of the principles of drug action like ''veerya'' and ''vipaka''.

*Rasa helps not only in understanding the ''panchabhautik'' composition of drug/diet but also serves as a tool for identification of the rest of the principles of drug action like ''veerya'' and ''vipaka''.

*Certain drugs may have the attributes (''veerya, vipaka,'' etc.)  and activities which are not in conformity with rasa. The substances having similar tastes may not produce similar activities.

*Certain drugs may have the attributes (''veerya, vipaka,'' etc.)  and activities which are not in conformity with rasa. The substances having similar tastes may not produce similar activities.

*''Rasas'' are categorized into superior, moderate and inferior basing on six ''guna'' like ''ruksha, snigdha, ushna, sheeta, guru,'' and ''laghu''. ''Vipaka'' is classified similarly based on ''rasa''.

*''Rasas'' are categorized into superior, moderate and inferior basing on six [[guna]] like ''ruksha, snigdha, ushna, sheeta, guru,'' and ''laghu''. ''Vipaka'' is classified similarly based on ''rasa''.

*Assessment of principles of drug action is as follows "''Rasa'' or taste of drugs and diets can be ascertained immediately after their contact with the tongue. Their ''vipaka'' can be ascertained by the action (in the form of aggravation of ''kapha'' etc.). Their ''veerya'' can be determined (between the stages of ''rasa'' and ''vipaka'') through their association with the body and or even immediately after coming into contact with the body. Among these, the ''rasas'' are the only attributes that can be perceived. The rest are inferred by actions only.

*Assessment of principles of drug action is as follows "''Rasa'' or taste of drugs and diets can be ascertained immediately after their contact with the tongue. Their ''vipaka'' can be ascertained by the action (in the form of aggravation of [[kapha]] etc.). Their ''veerya'' can be determined (between the stages of ''rasa'' and ''vipaka'') through their association with the body and or even immediately after coming into contact with the body. Among these, the ''rasas'' are the only attributes that can be perceived. The rest are inferred by actions only.

*''Vipaka'' is the process of transformation (metabolism) of five ''mahabhutas''.  

*''Vipaka'' is the process of transformation (metabolism) of five [[mahabhuta]].  

*Inability to explain the rationality of drug action is attributed to a specific principle called ''prabhava'', inherent in ''dravya''.

*Inability to explain the rationality of drug action is attributed to a specific principle called ''prabhava'', inherent in ''dravya''.

*Unwholesome drugs and diet (''viruddha ahara''), dislodge the vitiated ''doshas'' but fail to expel them out of the body. Variant principles, like the place, time, digestive power, mode of preparation, combination (synergistic and antagonistic), etc. play a crucial role in making drug/diet as the unwholesome substance.

*Unwholesome drugs and diet (''viruddha ahara''), dislodge the vitiated [[dosha]] but fail to expel them out of the body. Variant principles, like the place, time, digestive power, mode of preparation, combination (synergistic and antagonistic), etc. play a crucial role in making drug/diet as the unwholesome substance.

*Unwholesome diet is responsible for causation of production of ''ama'' and other conditions like sterility, mental disease, skin diseases, acid dyspepsia, fever, fetal disease (''santandosha'') and even death.

*Unwholesome diet is responsible for causation of production of ''ama'' and other conditions like sterility, mental disease, skin diseases, acid dyspepsia, fever, fetal disease (''santandosha'') and even death.