Changes

From the standpoint of its structure, the [[Sutra Sthana]] consists of thirty chapters, grouped into eight logical contexts. The first seven are ''Chatushkas''(or tetrads, i.e., groups of four), while the last one is a ''sangrahadvaya''(a group of two chapters).

From the standpoint of its structure, the [[Sutra Sthana]] consists of thirty chapters, grouped into eight logical contexts. The first seven are ''Chatushkas''(or tetrads, i.e., groups of four), while the last one is a ''sangrahadvaya''(a group of two chapters).

===Bheshaja Chatushka (Four chapters on medicines)===

===Bheshaja Chatushka (four chapters on medicines)===

The first ''Chatushka'' is also known as ''Bheshaja'' or the ''Aushadha''(medicine) ''Chatushka''. This tetrad deals with various medicines to be used in various forms either externally or internally (i.e., ''bheshaja'').  

The first ''Chatushka'' is also known as ''Bheshaja'' or the ''Aushadha''(medicine) ''Chatushka''. This tetrad deals with various medicines to be used in various forms either externally or internally (i.e., ''bheshaja'').  

* The fourth chapter ([[Shadvirechanashatashritiya Adhyaya]]) provides details of fifty ''Mahakashaya''(or five classes of groups of ten medicines, and six hundred evacuatives) to be used in various diseases. Overall, this ''Chatushka'' provides a list of drugs to be used in various forms in a variety of diseases.

* The fourth chapter ([[Shadvirechanashatashritiya Adhyaya]]) provides details of fifty ''Mahakashaya''(or five classes of groups of ten medicines, and six hundred evacuatives) to be used in various diseases. Overall, this ''Chatushka'' provides a list of drugs to be used in various forms in a variety of diseases.

===Swastha Chatushka (Four chapters on preservation of health)===

===Swastha Chatushka (four chapters on preservation of health)===

The second tetrad is the ''Swastha Chatushka'' that deals with important guidelines to be followed by healthy individuals to maintain their health.  

The second tetrad is the ''Swastha Chatushka'' that deals with important guidelines to be followed by healthy individuals to maintain their health.  

* [[Indriyopakramaniya]] is the last chapter in this tetrad, dealing with ''sadvritta'' (general code of conduct). Besides maintaining his own health, ''sadvritta'' also helps the individual in maintaining healthy relations with other individuals, thus helping maintain harmony in the society at large.

* [[Indriyopakramaniya]] is the last chapter in this tetrad, dealing with ''sadvritta'' (general code of conduct). Besides maintaining his own health, ''sadvritta'' also helps the individual in maintaining healthy relations with other individuals, thus helping maintain harmony in the society at large.

===Nirdesha Chatushka (Four chapters on guidelines for healthcare management)===

===Nirdesha Chatushka (four chapters on guidelines for healthcare management)===

The third tetrad, ''Nirdesha Chatushka'', is about instructions to health care providers.  

The third tetrad, ''Nirdesha Chatushka'', is about instructions to health care providers.  

* The last chapter of this tetrad ([[Vatakalakaliya]]) deals with the good and bad qualities/functions of ''vata'', ''pitta'', and ''kapha''. A physician should have a thorough knowledge of the guidelines provided in this ''Chatushka'' to succeed in his field.

* The last chapter of this tetrad ([[Vatakalakaliya]]) deals with the good and bad qualities/functions of ''vata'', ''pitta'', and ''kapha''. A physician should have a thorough knowledge of the guidelines provided in this ''Chatushka'' to succeed in his field.

===Kalpana Chatushka(Four chapters on applications of medicines)===  

===Kalpana Chatushka(four chapters on applications of medicines)===  

The next tetrad in [[Sutra Sthana]], ''Kalpanachatushka'', deals with the application of medicines in the form of various procedures either in healthy or in diseased individuals. ''Shodhana'' (bio-purification procedures) is an important concept of Ayurveda prescribed for removal of toxic wastes from the body. To prepare the patient for ''shodhana'', he has to go through specific pre-shodhana procedures, such as ''snehana''(internal application of ''sneha'' (fat)) and ''swedana''(sweating), to mobilize toxic wastes within the body and excrete them out of the body.   

The next tetrad in [[Sutra Sthana]], ''Kalpanachatushka'', deals with the application of medicines in the form of various procedures either in healthy or in diseased individuals. ''Shodhana'' (bio-purification procedures) is an important concept of Ayurveda prescribed for removal of toxic wastes from the body. To prepare the patient for ''shodhana'', he has to go through specific pre-shodhana procedures, such as ''snehana''(internal application of ''sneha'' (fat)) and ''swedana''(sweating), to mobilize toxic wastes within the body and excrete them out of the body.   

* The last chapter, [[Vividhashitapitiya]], deals with important concepts such as formation of body tissues from the diet consumed, immunity and immune-compromised individuals, diseases originated from various body tissues, and migration of ''dosha'' from ''shakha''(periphery or the tissue elements) to ''koshtha''(central part of the body or alimentary tract)and vice versa.

* The last chapter, [[Vividhashitapitiya]], deals with important concepts such as formation of body tissues from the diet consumed, immunity and immune-compromised individuals, diseases originated from various body tissues, and migration of ''dosha'' from ''shakha''(periphery or the tissue elements) to ''koshtha''(central part of the body or alimentary tract)and vice versa.

===Sangraha Adhyaya (two chapters on brief summary)===

===Sangraha Adhyaya(two chapters on brief summary)===

The last two chapters are termed as ''Sangrahadvaya''.

The last two chapters are termed as ''Sangrahadvaya''.