The Greatest Discoveries Begin With Unanswered Questions

We investigate the mysteries of human biology, follow the evidence wherever it leads, and pursue better explanations for how the human body works.

The important thing is not to stop questioning. Curiosity has its own reason for existing.

Albert Einstein

The Truth Demands More From Us

Higher standards of evidence, reasoning, and intellectual honesty—in everything we do.

01 — Evidence

Demand evidence.
Reject authority.

Blind belief in authority is the enemy of truth. Judge every claim by its evidence, never by its source.

02 — Honesty

Admit what you
don't know.

You either know something or you don't. If you haven't examined the evidence, then don't pretend you have.

03 — Courage

Have the courage to
question everything.

Never conform to an idea simply because it is popular. Question everything—especially popular ideas.

04 — Evolution

Let the evidence
change your mind.

Changing your mind is a sign of intellectual integrity. When better evidence emerges, update your thinking.

Every article, investigation, video, recommendation, and book we produce is held to this standard.

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New investigations into the unanswered questions of human biology.

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Evidence-first books that challenge assumptions, deepen understanding, and help you think more clearly about human health.

The Cancer Industry by Mark Sloan
01

A son’s search for truth behind cancer’s most profitable industry.

Cancer: The Metabolic Disease by Mark Sloan
02

Reframing cancer through the lens of metabolism.

Red Light Therapy: Miracle Medicine by Mark Sloan
03

How red and near-infrared light can restore health at the cellular level.

Bath Bombs and Balneotherapy by Mark Sloan
04

Ancient therapies, proven benefits—the healing power of natural waters.

The Ultimate Guide to Methylene Blue by Mark Sloan
05

The ultimate guide to the world’s most versatile and powerful molecule.

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10 Evidence-Based Strategies for Extraordinary Health and Healing.

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Explored
10+
Years of Research