TIL that over 90% of lost weight leaves the body as carbon dioxide exhaled from the lungs. User Autofillibust, in the Today I Learned (TIL) subreddit, 26 Jan 2019
When somebody loses weight, where does the fat go? User nyknights, in the Triathlon subreddit, 27 Nov 2017
When somebody loses weight, where does the fat go? User CharlieDarwin2, in the Fasting: willingly abstaining for a period of time subreddit, 27 Nov 2017
When somebody loses weight, where does the fat go? User qznc_bot, in the Hacker News subreddit, 27 Nov 2017