Light & Circadian Health
We've evolved under the sun for millions of years. In just 150 years, we've moved indoors under artificial light that our biology doesn't recognize. The consequences are devastating—and reversible.
Light & Circadian Health
How modern lighting is disrupting your biology and what to do about it.
The Darkside of Lighting
The comprehensive overview of how artificial light disrupts every system in your body—from sleep to metabolism to mental health. Modern artificial lighting presents a unique biological concern.
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Pathway Connections
See how light & circadian connects to other processes.
The Light Revolution
A deep dive into quantum biology of light and how it controls our health at the cellular level. Dr. Kruse's paradigm-shifting perspective on sunlight.
Hormones: Signals of Sunlight
The human body evolved under sunlight. Without adequate exposure, vitamin D production fails, bile synthesis becomes impaired, and hormones collapse.
The Good Radiation
Understanding the healing frequencies of natural light—infrared, red, and UV. Sometimes the science doesn't match reality.
Understanding Light
Fat: Our Sunlight Battery
How DHA in our cell membranes captures and stores light energy. Why seafood matters for sun tolerance.
Vitamin Sunlight
Why vitamin D is just the tip of the iceberg. The full spectrum of benefits from sun exposure.
Sunlight Antibiotics
How sunlight kills pathogens and boosts immunity naturally. The glyphosate-vitamin D connection.
Practical Solutions
Blue Blocking
The science of blue light blocking glasses—when to use them and what wavelengths actually matter.
Bright Lights
Why morning bright light exposure is essential. How retailers use lighting psychology against you.
Sun Gazing
The ancient practice of looking at the sun during safe hours—benefits, risks, and protocols.
Shaded Reality
Why sunglasses might be doing more harm than good. The circadian disruption nobody talks about.
