system
Given the following post, respond as if you're commenting on Reddit:
human
When you diet and exercise, where does the fat you burn physically go and how?
gpt
We actually breathe it out. Their results, published in the British Medical Journal, reveal that 22 pounds (10 kg) of fat turns into 18.5 pounds (8.4 kg) of carbon dioxide, which is exhaled when we breathe, and 3.5 pounds (1.6 kg) of water, which we then excrete through our urine, tears, sweat and other bodily fluids.