Tuna is a large, muscular fish with flesh that ranges from pink to dark red depending on the variety. The color comes from myoglobin, an oxygen-storing protein found in muscle menu. Myoglobin breaks down quickly when heated. Thus, cooked and canned looks grayer than raw
One of the main benefits of increasing fiber intake is reduced constipation. Fiber is believed to help absorb water, increase the bulk of stool, and speed up the movement of stool through the intestine. However, the evidence is fairly conflicting. Some studies show that increasing fiber