Objective: To study the protective effect of olive oil against histological changes induced by arsenic in liver of albino rats. Study Design: Randomized control trail. Place and Duration of Study: The research was carried out from 1 to 30 November 2017 at National institute of Health. Islamabad. https://www.hindigyanvishv.com/hot-super-No-Dream-Vinyl-LP-mega-pick/