Fish is a high-protein, low-fat food that provides a range of health benefits. White-fleshed fish, in particular, is lower in fat than any other source of animal protein, and oily fish are high in omega-3 fatty acids, or the "good" fats. Since the human body can’t make significant amounts of these essential nutrients, fish are an important part of the diet.
Since the human body can’t make significant amounts of these essential nutrients,
but can not be created within the body.