Why can working out actually cause you to gain weight instead of lose it?

Working out can cause you to gain weight because you are pushing your muscles to work hard and build up, which makes you gain muscle or muscle mass. Muscle actually weighs more than fat, so if you build up a lot of muscle by working out, you will become heavier instead of lighter.

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  Muscle tissue weighs more than fat.

Explanation:

Multiple choice answers:

The body retains water after strenuous physical activity.Fat cells expand to accommodate the increased number of burned calories.Your total amount of lean mass decreases the more you exercise.Muscle tissue weighs more than fat.

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