Listen,everyone,what,you,need, health Listen up everyone: what you need to know about protein.

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How much protein do we need to be healthy?Aptly enough, the word "protein" is derived from a Greek root meaning "of first importance", and protein - which constitutes about one-fifth of an adult's body weight - is the basic material of life. Proteins are constantly being broken down in our bodies. Most of the amino acids are reused, but we must continually replace some of those that are lost. Without dietary protein, growth and all bodily functions would not take place (below you will find list of good sources of protein.)The 13 amino acids our body can make are known, somewhat confusingly, as the "nonessential" amino acids. They are in fact essential, but not as part of our diet. The nine "essential" amino acids are those we have to eat. We can either get them from plant protein directly or by eating animals that consume plants and animals.Getting Complete ProteinNutritionists use the phrases "complete protein" and "incomplete protein" to describe the proteins provided by various foods. If a food supplies a sufficient amount of the nine essential amino acids, it is called a complete protein. Virtually all proteins from animal foods are complete. Foods that lack or are short on one or more of the essential amino acids - such as some fruits, grains, and vegetables - are called incomplete proteins. Such plant-derived foods can nonetheless be excellent sources of protein if eaten in combinations that supply all of the essential amino acids. For example, the amino acids missing in a vegetable can be provided by eating a grain product, another vegetable, or an animal-derived protein at the same meal.Animal vs. vegetableMeat and other animal products are the most readily available sources of complete protein. The protein content, by weight, of cooked meat, fish, poultry, and mild solids is between 15 and 40 percent. The protein content of cooked cereals, beans, lentils and peas ranges from 3 to 10 percent.Potatoes, fruits, and leafy green vegetables come in at 3 percent or lower. Soybeans and nuts have a protein content comparable to meat, but, depending upon how they are prepared, their proteins may not be as easily digested. However, recent research suggests that in a mixed or even totally vegetarian diet, the issue of digestibility is not too important. For someone eating a whole grain and vegetable diet, no more than 15 percent of the protein consumed would be unavailable because of problems with digestibility.The fact that we are omnivorous, that is, we can eat both meats and plants, has contributed to the survival of the human species. But as anthropologists have pointed out, human beings have overwhelmingly preferred meat to other foods. And a number of experts attribute the general good health, increased height, and longevity of people of developed countries today to their high-protein diets.Protein RequirementsThe body cannot store protein, so it needs a fresh supply every day. If, like most Americans, you consume mostly high-quality protein, your total requirement will there fore be slightly less. If you get almost all your protein from plant sources, it will be slightly greater. Children under eighteen need some additional protein to allow for growth, and the younger they are, the more protein they need per pound of body weight.Pregnant women are allocated an additional 10 grams of protein per day by the RDA, lactating mothers an extra 12 to 15 grams during the first six months.Sources of ProteinThe foods below are all good sources of protein. The listed protein amounts are averages. Many foods that are relatively high in protein are also high in fat, so the chart indicates the percentage of fat accompanying each food. Try to limit your intake of protein sources that derive more than 30 percent of their calories from fat.Food SourceDairy and EggsProtein(Grams)FatCaloriesCheddar cheese, 1 oz.770%Cottage cheese (2%), 1/2 cup1617%Egg, 1 medium668%Ice cream, hard, vanilla, 1/2 cup248%Milk, skim, 1 cup85%Mozzarella, part skim, 1 oz.856%Ricotta, part skim, 1/2 cup1053%Yogurt, low-fat, plain, 1 cup1225%Meat and Fish (4oz.)Protein(Grams)FatCaloriesChicken, light meat, roasted, no skin3126%Ground beef, extra lean, broiled3356%Sirloin steak, choice cut, trimmed, broiled3537%Tuna, canned, in water3312%Turkey breast, roasted, no skin246%GrainsProtein(Grams)FatCaloriesOatmeal, 1 cup cooked 612%Rice, brown, 1 cup cooked 54%Spaghetti, 1 cup cooked 65%Whole wheat bread, 2 slices613%Legumes and nutsProtein(Grams)FatCaloriesAlmonds, 1 oz. 682%Cashews, dry roasted, 1 oz. 471%Lentils, 1/2 cup cooked84%Lima beans, 1/2 cup cooked 83%Peanut butter, 2 Tbsp.1076%Red kidney beans, 1/2 cup canned84%Soybeans, 1/2 cup cooked 1033%Tofu, 4 oz. 955%