“…Alshami, et al [36] 318 Unspecified green peppers were associated with reduced risk of oral and pharyngeal cancer [27] as well as other food as fish, vegetable oil, bread, cereals, protein, fat, fresh meat, chicken, liver, shrimp and fiber [28]. Other risk factors include genetic [29], sun exposure [30], mate drinking (tea-like beverage) [27], viral infection [31], fungal infection [32] and chronic trauma [33].…”