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=== Two main types of veerya (dwividha veerya vaada) ===

=== Two main types of veerya (dwividha veerya vaada) ===

<p style='text-align:justify;'>Most of the scholars  accepted two types of veerya (the dwividha veerya vaada). The hot and cold are considered as two main contrasting energies responsible for carrying out various functions in body. These can be equated to soma and agni i.e. the moon and the sun in the universe. These also represent the concept of Yin and Yang as put forth by traditional Chinese medicine.<ref name="ref10">Fu R, Li J, Yu H, Zhang Y, Xu Z, Martin C. The Yin and Yang of traditional Chinese and Western medicine. Medicinal Research Reviews [Internet]. 2021 [cited 2023 Jan 20];41(6):3182–200. Available from: https://onlinelibrary.wiley.com/doi/abs/10.1002/med.21793</ref> The three dosha are either considered to sheeta (kapha , vata dosha) or ushna (pitta dosha) in nature. The approach of ayurveda regarding two types of veerya can be summarised as below:<br/>1. Although all the dravya are panchabhautika in nature they can either be divided as ushna (hot) or sheeta (cold) based on the dominancy of ushna and sheeta guna [A.H. Sutra Sthana .9/17, Indu commentary on A.S. Sutra Sthana 1/26] <br/>These can be considered the most suitable types of veerya which can also be equated to karya-karana hetu according to ayurveda. These two are best representatives of the dual energy i.e. heat and cold in the universe and hence rightly termed as dwividha veerya.[ A.H. Sutra Sthana 9/17] <br/>There are two other types of veerya: kritrima (artificial) and sahaja (inherent) veerya. Shivadas sen quotes the example of the heaviness of black gram (masha) and lightness of green gram (mudga) for inherent veerya (sahaja veerya), while that of lightness of puffed paddy (laja) to explain the aritificial veerya (kritrima veerya). [Chakrapani on Cha.Sa. Sutra Sthana 26/66 <br/>Shivadas Sen commentary on Cha.Sa. Sutra Sthana 26/65] </p>

<p style='text-align:justify;'>Most of the scholars  accepted two types of veerya (the dwividha veerya vaada). The hot and cold are considered as two main contrasting energies responsible for carrying out various functions in body. These can be equated to soma and agni i.e. the moon and the sun in the universe. These also represent the concept of Yin and Yang as put forth by traditional Chinese medicine.<ref name="ref10">Fu R, Li J, Yu H, Zhang Y, Xu Z, Martin C. The Yin and Yang of traditional Chinese and Western medicine. Medicinal Research Reviews [Internet]. 2021 [cited 2023 Jan 20];41(6):3182–200. Available from: https://onlinelibrary.wiley.com/doi/abs/10.1002/med.21793</ref> The three dosha are either considered to sheeta (kapha , vata dosha) or ushna (pitta dosha) in nature. The approach of ayurveda regarding two types of veerya can be summarised as below:<br/>1. Although all the dravya are panchabhautika in nature they can either be divided as ushna (hot) or sheeta (cold) based on the dominancy of ushna and sheeta guna [A.H. Sutra Sthana .9/17, Indu commentary on A.S. Sutra Sthana 1/26] <br/>These can be considered the most suitable types of veerya which can also be equated to karya-karana hetu according to ayurveda. These two are best representatives of the dual energy i.e. heat and cold in the universe and hence rightly termed as dwividha veerya.[ A.H. Sutra Sthana 9/17] <br/>There are two other types of veerya: kritrima (artificial) and sahaja (inherent) veerya. Shivadas sen quotes the example of the heaviness of black gram (masha) and lightness of green gram (mudga) for inherent veerya (sahaja veerya), while that of lightness of puffed paddy (laja) to explain the aritificial veerya (kritrima veerya). [Chakrapani on Cha.Sa. Sutra Sthana 26/66 Shivadas Sen commentary on Cha.Sa. Sutra Sthana 26/65] </p>

== Different theories pertaining to concept of veerya (veeryavada) ==

== Different theories pertaining to concept of veerya (veeryavada) ==