“…Among natural herbs, N. sativa has been used for medicinal purposes as a natural remedy for a number of disorders including cancerous growths (Ahmad et al, 2013). It has been found that the most active component in N. sativa, is a phenolic compound, thymoquinone (Ahmad et al, 2013). Despite thymoquinone's generally low toxicity, it exhibits weak antitumor effects in numerous cancer-cell studies and animal models (Badary et al, 2001;Badary et al, 199;Gali-Muhtasib et al, 2006;.…”