Fish are a major dietary source of n-3 and n-6 polyunsaturated fatty acids (PUFAs) in humans since the human body lacks the necessary enzymes required to synthesize them. Diets rich in fish oil containing n-3 fatty acids have been shown to lower the incidence rates of cancer. They have also been shown to have cytotoxic or anti-proliferative effects on a variety of human cancer cell lines, and they are known to nurture overall human health without any observable side effects. The present review focused on