5 Reasons Calorie Counting Won’t Help You Lose Weight Or Get Healthy

2. Your body’s calorie burn is totally unique
Your boot camp instructor just told everyone who showed up they were about to burn 800 calories? Fat chance. Even if you complete the exact same exercises as the person next to you, you’ll each burn a completely different number of calories based on a long list of factors including age, height, weight, history of disease, muscle mass, fitness level, your hormones, your level of stress, and even past dieting. “If you have a history of yo-yo dieting with lots of up and downs, your resting metabolic rate will be drastically influenced,” Dr. Miranda explains.