Using light and colour as nervous system medicine.
Every cell in your body contains a molecular clock. The light you're exposed to - when, what spectrum, for how long - determines your hormone output, your sleep quality, your mood baseline, and your cognitive performance window for the entire day.
Most people treat light as an aesthetic preference. It is a biological input. And the environment you're currently in is almost certainly working against you.
This guide covers the science and the immediate applications. You can begin implementing what's in it today, with what you already have.