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
When somebody loses weight, where does the fat go? User personaontherun, in the The top news right now subreddit, 27 Nov 2017
TIL that when you lose 10 kg of fat, 8.4 kg is exhaled as CO2 and 1.6 kg is excreted as water. Most of the weight you lose exits your body through your lungs. User kilopeter, in the Today I Learned (TIL) subreddit, 26 Nov 2017
When somebody loses weight, where does the fat go? [very nice and informative video, to fight the ignorance] User LaTalpa123, in the fatlogic subreddit, 18 Jul 2016
84% the weight that is removed when you lose weight exits out your nose as carbon dioxide in your breath, 16% as water. User emanuer, in the mainly science stuff subreddit, 07 Mar 2015
When somebody loses weight, where does the fat go? (x-post from TIL) User SqueezeBag, in the Fat People Hate subreddit, 07 Mar 2015
TIL almost all the weight thats removed when you lose weight exits out your nose as carbon dioxide in your breath User kokkelimonke, in the Today I Learned (TIL) subreddit, 07 Mar 2015
TIL that metabolized fat is mostly exhaled. User zombinate, in the Today I Learned (TIL) subreddit, 26 Feb 2015
When somebody loses weight, where does the fat go? (xpost from /r/advancedfitness) User beefcakez, in the Natural (No Juice) BodyBuilding Discussion subreddit, 29 Dec 2014
"When somebody loses weight, where does the fat go?" User JessicaTittel, in the Le Fabuleux Destin (De... - Qui? Amélie?) subreddit, 26 Dec 2014
[BREATHING INTENSIFIES] User thehobgoblin, in the If you've got the time to jerk, you've got the time to twerk. Post TK2oG. subreddit, 19 Dec 2014
When somebody loses weight, where does the fat go? (2014) User shrillthrill, in the Advanced Fitness subreddit, 19 Dec 2014
A team at UNSW in Australia has discovered that the fat you 'burn off' from exercise is actually exhaled User williss_, in the Reddit Science subreddit, 18 Dec 2014