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How Much Protein Do We Really Need

八月 18 2011 Published by under EZ心情

I bet $100 bucks that you do not know how much proteins is in a juicy, 8-ounce cheeseburger washed down with a milkshake?? This single meal contains two to three times as much as most people need per day.

Did you know that the average Americans chow down 67 pounds of meat per capita annually (that’s four times the international average)n fact, the average person eats about double the amount of protein that their body requires, according to the results of 2007-2008 National Health and Nutrition Examination Survey conducted by the Centers for Disease Control and Prevention.

The human body uses protein to repair damaged cells and to build new ones. Marion Nestle, professor of nutrition at NYU and author of What to Eat, estimates that the average adult man needs about 65 grams of protein a day and the average adult female needs about 55 grams. Some sources, such as the Centers for Disease Control and the World Health Organization say you can maintain a healthy diet with even less.

What does this actually mean in terms of food choices? The National Institutes of Health explains that most people can meet their daily protein requirement by eating two to three small servings of a protein-rich food a day.

Eating large amounts of red and processed meats is associated with higher rates of heart disease and cancer, and most nutritionists such as Marion Nestle recommend cutting back on meat, especially on fatty cuts.

However, it’s less well known that your protein choices can have a substantial impact on the environment. Meat and dairy production requires tremendous amounts of fuel, pesticides, and chemical fertilizers, and generates greenhouse gases. The Environmental Working Group’s (EWG) recently published Meat Eater’s Guide points out that if you ate once less burger a week it would be the environmentally-positive equivalent of taking your car off the road for 320 miles.

 

By GK

 

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