Health Benefit 2: Soy is another popular food item in the Japanese menu. It is known to reduce the risk heart disease and blood pressure. Soy is also a great source of proteins. Just as the fish, soy and Tofu are also staple food products in their diet. Japanese believe that food sourced from soy plant is a great alternate to red meat which is high in saturated fats. Natto, Tofu, Soy sauce etc. are a regular part of the Japanese food as they provide sufficient proteins without cholesterol and saturated fats. These foods reduce the danger of developing numerous chronic diseases.