#''Doshahetu'' – These causes are directly responsible for the vitiation of ''doshas'' and that particular vitiated ''dosha'' becomes the cause of the disease.
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#'''''Doshahetu''''' – These causes are directly responsible for the vitiation of ''doshas'' and that particular vitiated ''dosha'' becomes the cause of the disease.
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#''Vyadhihetu'' – Such specific causative factors are directly responsible for the specific type of diseases. E.g., the use of ''sheetoshnaviparyaya'' (using hot and cold things at same time repeatedly) is a specific cause of ''kushtha'' (skin disease).
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#'''''Vyadhihetu''''' – Such specific causative factors are directly responsible for the specific type of diseases. E.g., the use of ''sheetoshnaviparyaya'' (using hot and cold things at same time repeatedly) is a specific cause of ''kushtha'' (skin disease).
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#''Ubhayahetu'' – These causes are responsible for the vitiation of ''doshas'' as well as specific diseases e.g. continuous intake of sweets, unctuous and heavy diet is the cause of ''kaphadushti'' (''doshahetu''), as well as for ''kapha dosha'' dominant disorders (''vyadhihetu'') like ''sthaulya'' (obesity) and ''madhumeha'' (diabetes).
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#'''''Ubhayahetu''''' – These causes are responsible for the vitiation of ''doshas'' as well as specific diseases e.g. continuous intake of sweets, unctuous and heavy diet is the cause of ''kaphadushti'' (''doshahetu''), as well as for ''kapha dosha'' dominant disorders (''vyadhihetu'') like ''sthaulya'' (obesity) and ''madhumeha'' (diabetes).