when you consume more protein than you need, you crowd out your metabolism-revving carbohydrates, so your body starts the arduous, metabolism-inefficient task of using protein for fuel.
ohmygosh sounds so COMPLICATED. okay bascially, consuming too much protein MAKES YOU TIRED. Protein takes a long time to digest (about 4-6hrs VS 1half-4hours to digest and burn up carbohydrates). Although protein's slower digestion rate can be a good thing (it promotes satiety when you combine the right amounts of the best carbohydrates with the appropriate portions of the best proteins), it can also be a negative thing when you overdo it because a large portion of blood leaves the brain and muscles and stays in your stomach (and intestine) for a long period of time for digestion.
This means that there is less blood available to supply the muscles and brain with oxygen, causing sluggishness and decreased energy. In addition, too much protein in the diet can lead to high cholesterol (many foods that are high in protein are also high in the artery-clogging saturated fat and/or cholesterol) or calcium loss from the bone, promoting osteoporosis or other diseases, such as gout. High-protein diets may also put a strain on your kidneys and liver, as these two organs are responsible for breaking down protein and then excreting the excess nitrogen that is created from the protein.
Our protein needs depend on our age, size, and activity level. yup, and PROTEIN IS IMPORTANT BECAUSE If we were to stop eating protein, our body would start to break down muscle for its needs within a day or so. :O
ok, here's a list of food high in proteins :)
Beef
Hamburger patty, 4 oz – 28 grams protein
Steak, 6 oz – 42 grams
Most cuts of beef – 7 grams of protein per ounce
Chicken
Chicken breast, 3.5 oz - 30 grams protein
Chicken thigh – 10 grams (for average size)
Drumstick – 11 grams
Wing – 6 grams
Chicken meat, cooked, 4 oz – 35 grams
for more infomation, this is taken from- http://lowcarbdiets.about.com/od/whattoeat/a/highproteinfood.htm
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