TheEvidence
by
Science based writing on longevity, cancer, nutrition, supplements, hormones and preventive care. Written by our doctors, researchers and coaches. Every article carries a named clinician and the date it was last reviewed.
Written and reviewed by
Deep diveHormones
TRT, fertility and long-term safety
Testosterone therapy suppresses fertility, and that is the objection worth taking seriously. The rest of the safety picture has improved, but it...
Dr Bryan · 9 October 2026 · 1 min
ExplainerHormones
How to raise testosterone without TRT
What actually works costs less, and is more familiar than what's being sold to you.
Dr Bryan · 25 September 2026 · 1 min
Coming January 2027
The Evidence Report
Once a year, every January, we publish what our own patient data shows. Prevalence across the markers we test, what changed for members who retested, and what we got wrong. The first edition lands January 2027.
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