1. Vagbhata Ashtanga Hridayam (Text with English Translation, Notes, Appendices and Index) Editor and Translator Prof.K.R.Srikantha Murthy, pages 3-8.
2. Sobra J, Ceska R. Diseases of civilization from the aspect of evolution of the human diet.
3. Sushruta Samhita (Text,with English Translation, Notes, Appendices and Index)Vol I Translater Prof. K. R.Srikantha Murthy, ChaukhambhaOrientalia, Varanasi, Re-print,m2012. 15:38
4. Choi, Bernard C.K., Hunter, David J., Tsou, Walter and Sainsburgy,Peter (2005), “Diseases of comfort: primary causes of death in the22nd century”, Journal of Epidemiology and Community Health,Vol. 59, No.12, pp.1030-1034.
5. Charaka, Charaka Samhita (text with English translation) Editor and Translator P.V. Sharma, Chaukahamba Surabharati Prakashan, Varanasi, Re-print, 2010.p. 10