Starling Fitness: Daily writings on Fitness, Diet, and Health

This entry from About.com gives you the science and the formulas to calculate how many calories you should eat in order to maintain weight and then tells you how many to cut out in order to lose weight.

• About.com – How Many Calories Should I Eat – How to Calculate Caloric Intake – Count Calories to Lose Weight – Losing Weight by Cutting Calories

The new food pyramid will calculate those calories for you. Of course, it is only an estimate based on your age, sex and activity level with a huge caveat, “This calorie level is only an estimate of your needs. Monitor your body weight to see if you need to adjust your calorie intake.”

• MyPyramid.gov – United States Department of Agriculture – Home

Nutritionists tell us that weight loss is just a science. It’s physics:
Calories In < Calories Out= Weight Loss
Calories In > Calories Out= Weight Gain
I would like to believe it’s as simple as that, but I’ve found that weight loss has more to do with what’s in my head than what’s in my lunch box.