Dr. Attia explains why testosterone blood tests only tell part of the story, and why starting hormone therapy should always come after ruling out other explanations for someone's symptoms.
Stanford neuroscientist Dr. Andrew Huberman unpacks the everyday factors — including light exposure, temperature, breathing patterns and specific training styles — that measurably influence testosterone and estrogen levels in adults.
A detailed breakdown of how testosterone works in the body, the documented benefits of replacement therapy for strength and body composition, and an honest look at the ongoing debate around prostate and cardiovascular risk.
Longevity physician Dr. Peter Attia examines the results of the first major long-term study looking at whether testosterone therapy is safe for men with heart-related risk factors, and what the findings mean for how doctors approach treatment today.