Quick win: 16 hours of laser focus
Let's talk brain fuel. When you fast for 16 hours, your body starts producing BDNF, a protein that supports brain cell growth and repair. Your brain also begins running on ketones, which gives you steadier, cleaner energy than sugar spikes. That's why so many people feel sharper, not sluggish, during a fast.
Here's how to try it: (1/3)