People with more active brown fat burn over twice as many extra calories after eating carbs as people with less active brown fat — this could explain why some people stay leaner even when eating the same food.

People with more active brown fat burn about 2% more of their carb meal’s energy as heat than people with less active brown fat—this could explain why some people stay leaner even when eating the same food.

People with more active brown fat burn an extra 2% of their meal’s calories after eating carbs — which could add up to a few hundred extra calories burned per day over time.

People with more active brown fat burn an extra 2% of their meal’s calories after eating carbs—enough to potentially affect weight over time.

People with more active brown fat burn more calories after eating carbs — the more active their brown fat, the more energy they burn.

After eating carbs, people with more active brown fat keep burning extra calories for the full two hours afterward, not just right after the meal.