Vitamin D

Nitric Oxide and Sunlight: The Vascular Signal Hidden in Your Skin

Nitric Oxide and Sunlight: The Vascular Signal ...

The story of sunlight and human biology has traditionally been told through vitamin D. It is a powerful story, and the evidence for vitamin D's importance is substantial. But vitamin...

Nitric Oxide and Sunlight: The Vascular Signal ...

The story of sunlight and human biology has traditionally been told through vitamin D. It is a powerful story, and the evidence for vitamin D's importance is substantial. But vitamin...

Circadian Rhythm, Light Exposure, and Why Artificial Lighting Disrupts Sleep

Circadian Rhythm, Light Exposure, and Why Artif...

Sleep researchers have known for decades that light is the most powerful external regulator of the human circadian clock. What has become increasingly clear in the 21st century is that...

Circadian Rhythm, Light Exposure, and Why Artif...

Sleep researchers have known for decades that light is the most powerful external regulator of the human circadian clock. What has become increasingly clear in the 21st century is that...

Near-Infrared Light and the Mitochondria: What 40 Years of Research Shows

Near-Infrared Light and the Mitochondria: What ...

The near-infrared spectrum — wavelengths between approximately 700nm and 1000nm, invisible to the human eye — constitutes roughly half of the total energy in sunlight reaching the Earth's surface. For...

Near-Infrared Light and the Mitochondria: What ...

The near-infrared spectrum — wavelengths between approximately 700nm and 1000nm, invisible to the human eye — constitutes roughly half of the total energy in sunlight reaching the Earth's surface. For...

Cytochrome c Oxidase: The Enzyme That Explains Why Red Light Therapy Works

Cytochrome c Oxidase: The Enzyme That Explains ...

When researchers first began documenting the beneficial effects of low-level red and near-infrared light on biological tissue in the late 1980s, the mechanism remained unclear. The biological effects seemed real...

Cytochrome c Oxidase: The Enzyme That Explains ...

When researchers first began documenting the beneficial effects of low-level red and near-infrared light on biological tissue in the late 1980s, the mechanism remained unclear. The biological effects seemed real...

UVB and Skin: The Photochemistry of Natural Vitamin D Synthesis Explained

UVB and Skin: The Photochemistry of Natural Vit...

The connection between sunlight and vitamin D is one of the best-characterized mechanisms in human biochemistry. Yet the details of this process — the specific wavelengths involved, the precise molecular...

UVB and Skin: The Photochemistry of Natural Vit...

The connection between sunlight and vitamin D is one of the best-characterized mechanisms in human biochemistry. Yet the details of this process — the specific wavelengths involved, the precise molecular...

Why Vitamin D From Sunlight Is Fundamentally Different From a Capsule

Why Vitamin D From Sunlight Is Fundamentally Di...

Most discussions of vitamin D treat sunlight exposure and oral supplementation as interchangeable delivery mechanisms for the same compound. Take your vitamin D, get some sun — same result, different...

Why Vitamin D From Sunlight Is Fundamentally Di...

Most discussions of vitamin D treat sunlight exposure and oral supplementation as interchangeable delivery mechanisms for the same compound. Take your vitamin D, get some sun — same result, different...