Although often difficult to find in the marketplace, the leaves of the quinoa plant are edible, with a taste similar to its green-leafed relatives, spinach, chard and beets. Not only is quinoa high in protein, but the protein it supplies is complete protein, meaning that it includes all nine essential amino acids.
Body fat is important for a wide variety of body functions. Having too little body fat may increase your risk for heart disease, gastrointestinal problems and damage to your nervous system, Also, the University of Pennsylvania adds, you incur the risk of organ shrinkage.
Answer. When you eat, the work of digestion sends blood to the stomach away from your extremities. If you are underweight with a BMI of less than 19, you might feel changes in body temperature more acutely because you lack a layer of insulating fat and muscle.