If I eat really crappy food, like McDonald’s, before work where I walk upwards of 6 miles a day or more, I’m obviously burning off some of the bad stuff in the food, but why? What makes walking burn off and lower the consequences of eating really bad food?

Question

If I eat really crappy food, like McDonald’s, before work where I walk upwards of 6 miles a day or more, I’m obviously burning off some of the bad stuff in the food, but why? What makes walking burn off and lower the consequences of eating really bad food?

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Answer 1

It really depends on what you mean by “bad”. The main problem with stuff like McDonalds is that it’s very calorie dense…you tend to consume WAY more calories than you actually need.

And, for weight gain/loss purposes, calories is calories…as long as you burn more than you eat, you’re fine. Walking increases how many calories you burn, so can mitigate the potential health implications of eating more calories than you normally need.

It doesn’t do anything for nutritiously questionable ingredients in the food, e.g. trans fats or being deficient in fiber.