The phrase "burning calories" refers to the process by which your body uses energy from food to perform physical activities.
Full definition
To lose
weight by burning the calories stored in fat, either calories eaten have to be reduced or calories spent in physical motion have to be increased.
Many people believe eating a certain number of calories can be offset
by burning calories through exercise, and that if we burn more calories from working out, we'll lose weight.
Not only can it help you avoid packing on excess
weight by burning calories you've consumed, but it may help improve your cognitive function as well.
Today I realize that it's the calorie deficit that matters the most, not whether you eat less or burn more per se, but in my case creating a large
deficit by burning the calories was the absolute key for me.
Brown fat produces
heat by burning calories (300 times more heat than any organ in the body), and this boosts your metabolism all day long to help you lose weight.
However, strength training can help maintain muscle mass while you're in a caloric deficit, which will generally produce better results.8 - 10 Lifting weights can also help contribute to your caloric
deficit by burning some calories (though that shouldn't be the main reason you lift weights).11, 12
It takes much more effort to be active over long periods of time in the cold, heat is sapped from the body and needs to be replaced —
by burning calories.