In the clinic, we often hear about "brain fog." It means something different to everyone—a sudden mental blank, a heavy, congested feeling in the head, or a frustrating inability to focus. While it is easy to assume a cloudy mind is purely a "brain problem," these experiences are closely tied to your sleep, stress, and your gut health. Your gut and brain talk to each other all day long through a two-way connection known as the gut-brain axis, which explains why what we eat di