Jim KatsoulisJim AI — Your Personal Guide to Living at Your Goal Weight

the #1 thing to lose weight

13 Jan 2026 · 1 min

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In this concise fitness‑nutrition segment, the speaker states that the single most important action for weight loss is to change eating habits to create a caloric deficit. The recommended strategy is to choose foods that are lower in calorie density but higher in volume, allowing you to consume fewer calories while still feeling full. The speaker illustrates the concept by contrasting a calorie‑dense cookie, which packs many calories into a small space and leaves you unsatisfied, with a food of equal calories that occupies much more volume and provides greater satiety. By consistently orienting meals toward less calorie‑dense, bulkier options, you can reduce overall calorie intake without feeling deprived.

Chapters

The number one thing you must do in order to lose weight is to change the way that you're eating. You need to create a caloric deficit in order to lose weight. So what you want to do is change the way you are eating in a strategic and intelligent way so that you're consuming less calories while still feeling satisfied. And the way you do that is to focus on the volume and the calorie density of the food. So a cookie is a calorie dense food that does not take up a lot of space. So it puts a lot of calories in your body, but does not make you feel as satisfied as something that has the same amount of calories but takes up this much space. So, so start orienting your food to less calorie dense foods that take up more volume and you will reduce your calories while feeling satisfied.