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Calorie

What Is a Calorie? Personal Trainers Need to Know!

Weight loss to improve cardiovascular health is a high priority of the American Heart Association because approximately 34 percent of the population is overweight.
The most basic and fundamental law that governs whether you gain weight or lose weight is the first law of thermodynamics, which states that energy cannot be created or destroyed, it can only be transformed from one type to another. For our purposes here, the most common unit of energy measure is the calorie.

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