The video introduces the 7-day fast and illustrates CT scan results showing the participants' fat loss.

• Initial CT scans show the participants' abdominal fat prior to the fast.
• CT scans after seven days without food indicate significant fat loss.
• The purple substance visible in the CT scans represents the fat that has been burned off.

The participants describe their preparations for the fast, their motivations, and how they tracked changes.

• Participants used a glucose sensor, wearable devices for sleep tracking, a scale for weight, CT scans, and a fasting app.
• One participant aimed for mental benefits from fasting, while the other sought a jump start on weight loss and fitness.
• They note that they did not prepare in the best way, indulging in ice cream and Korean barbecue as their last meals.

The video captures the initial challenges faced by the participants, including hunger and mood swings.

• The first day of fasting was surprisingly easy but became difficult when sitting still, leading to increased hunger and irritability.
• Participants drank only water, tea, and black coffee, supplementing with salt and electrolytes to mitigate fatigue.
• Hunger sometimes manifested as a craving for salt, and additional salt intake often relieved feelings of hunger and fatigue.

The participants face fatigue and muscle cramps, but also find strategies to improve their condition.

• Abraham experienced significant fatigue and muscle cramps by day two, impacting his mood and productivity.
• Consuming salt and electrolytes offered temporary relief, but the overall physical and mental challenges persisted.
• Abraham's blood sugar levels dropped considerably, and both participants experienced a state of low energy.

As the participants' bodies switched to ketosis, they experienced improvements in mood and energy.

• Ketosis began as the body switched from using glucose to fat for energy, leading to better mood and focus.
• Participants noted a decrease in the usual tension and mental chatter, feeling a sense of calm and present moment awareness.
• Despite the lack of food, they were able to engage in physical activities such as running without significant issues.

The participants continue to adapt to the fast, noting increased energy and reduced hunger.

• Abraham reported feeling energized and clear-headed by day five, with energy levels similar to before the fast.
• Both participants engaged in active games and exercise without feeling exhausted.
• Hunger levels declined significantly, aligning with research that suggests hunger tends to disappear during extended fasts.

The video details the experience of breaking the fast, including early satiety and the return to normal eating habits.

• Eating after the fast was satisfying, yet the participants quickly felt full on a small amount of calories.
• Abraham noted that he continued to feel full easily in the days following the fast.
• The participants discuss potentially leveraging the post-fast period to establish healthy eating habits.

The video showcases the final results of the fast, including body changes and the ability to perform physical exercises.

• Final CT scan results show significant fat loss for both participants, though individual results varied.
• Despite the prolonged period without food, the participants were able to perform exercises like push-ups and aerobic games.
• The video concludes with the participants reflecting on the fast and providing advice for those considering fasting.