Saturday Smarts: Low Carb Diets**

I’m fascinated by food science, both because it matters so much to my performance as an athlete and because the obesity epidemic is one that I will confront daily as a physician. I love this article for its straight-forwardness about diets and weight loss. A calorie is a calorie. To lose weight, you need to eat less and move more. Period.  Dr. Hirsch says it even more eloquently and I want to memorize it to recite it to every person who tells me about their new diet plan:
“There is an inflexible law of physics — energy taken in must exactly equal the number of calories leaving the system when fat storage is unchanged. Calories leave the system when food is used to fuel the body. To lower fat content — reduce obesity — one must reduce calories taken in, or increase the output by increasing activity, or both. This is true whether calories come from pumpkins or peanuts or pâté de foie gras.”
Eat Less. Move More. Simple, right?
**Irony of ironies, as this posts, I’m lining up to run a 5K that includes eating a pint of ice cream in the middle of it…

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