
What 7,400 Real Blood Test Results Reveal About Testosterone, Hidden Risks and Reading Your Own Bloods
An anonymised analysis of 7,411 real blood results from 115 people: a hormone correlation heatmap, why free — not total — testosterone is what tracks with thicker blood, the “normal testosterone” trap (1 in 6), SHBG's hidden role, and how the same result reads differently in AU, EU and the US.









