Lack of blood in the body is dangerous.?and also what food do they eat daily?

Lack of blood?: Yes, lack of blood in the body is so dangerous that depending on degree, it can lead to death. Hoping you're eating a healthy diet so that your body makes all the blood cells you need -- and keeps them well supplied with iron. Healthy diets include plenty of vegetables, fruits, lean proteins (can be from plant sources if vegetarian), monounsaturated and omega-3 fats, ; complex carbohydrates.