Ketosis, hormesis, autophagy, fighting chronic inflammation, and weight loss are the five key benefits of intermittent fasting. You may not be able to see all five of them with your own eyes, but, rest assured, if you’re fasting, they are happening behind the scenes, leading to concrete improvements in how your body and brain function. And even more important, they’re working hard to lead to measurable improvements in how you feel—in your energy level, cognition, pain level, physical appearance, mood, and even your disease status.

