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Nutrition 101: What is a serving?

If you want to eat right, the first thing you have to know is how much you’re eating. And in these days of super-sizing, most of us have no idea.

For example, when you drink a can of soda that has 150 calories per serving, how many calories have you consumed? The answer is 225, because a serving of fluids is eight ounces, but the can of soda is 12 ounces.

What about that sirloin steak you ordered the other night? When you look up the calories, keep in mind that a ‘serving’ of steak is 3 ounces – so your 8- or 12-ounce steak was really three or four servings.

Here are some tips to help you understand serving sizes, and recalibrate your eating habits:

  • Fruits, vegetables and grains – one serving equal one cup, about the size of a baseball
  • Meat and fish – one serving equals three ounces, about the size of a deck of cards
  • Fluids – one serving equals eight ounces, two-thirds of a typical soda can

And here’s another serving tip: try to make sure your plate is three-fourths filled with fruits and veggies.

 

Dr.Mike

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About mparkinson

Dr. Mike, EVP and Chief Health and Medical Officer, is responsible for the strategic direction and health care management at Lumenos. Formerly Director of Medical Programs and Resources for the U.S. Air Force, he was responsible for policy and planning for the Medical Service with over 2 million beneficiaries, 70 facilities and a $4 billion budget. A retired colonel, he served as deputy director of Air Force Medical Operations and chief of preventive medicine. He is President-Elect of the American College of Preventive Medicine and a member of the Institute of Medicine Committee reviewing NASA prevention programs, the Armed Forces Epidemiological Board. Mike is a recipient of the Air Force Legion of Merit, the Distinguished Service Award of the American College of Preventive Medicine and Distinguished Recent Graduate Award from the Johns Hopkins School of Public Health. He received his A.B. from Cornell University, M.D. from George Washington University, family practice training at the UCLA and his M.P.H., preventive medicine residency and chief residency at the Johns Hopkins University.

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