I think a lot of people talk past each other in these discussions. One problem is that a lot of diet fads promise magic solutions, and then people get tired of

I think a lot of people talk past each other in these discussions. One problem is that a lot of diet fads promise magic solutions, and then people get tired of magic and revert back to CICO only. Any discussion that does not start with CICO and clearly show which side of the CICO ledger is influenced, and by what mechanism is doomed. I think maybe if we discussed CI and CO separately it would help: CI: Calories in are influenced by many things: eating habits, Macro content of food, access to good food, stress eating, satiety signals from blood sugar, leptin, ghrelin, etc. CO: Calories out are influenced by basal metabolic rate, exercise, enviromental temperature, fat storage (calories that do not get used up), etc. I would love to see a series of articles that clearly articulates the two main headings, and then goes into each item underneath, in order of impact on health overall and weight specifically