86% of ED Cases Have THIS Physical Cause (Stop Blaming Yourself!)

12 Dec 2025 · 21 min
20:55

Dr. Anne Truong (sexual/regenerative medicine physician) argues most erectile dysfunction (ED) is primarily physical — not purely psychological — citing a pooled analysis of nearly 2,000 patients that found about 86% had a primary physical cause and ~14% were purely psychogenic. She explains the physiology of erection (nerve-triggered endothelial nitric oxide → soluble guanylyl cyclase → cGMP → smooth muscle relaxation → arterial inflow and venous compression), and describes key pathologies that disrupt this cascade: endothelial dysfunction (from aging, hypertension, hyperlipidemia, smoking, diabetes, oxidative stress), insulin resistance/metabolic syndrome, arterial insufficiency from atherosclerosis (penile artery ~1–2 mm diameter; measured inflow via peak systolic velocity; <25 cm/s indicates significant arterial insufficiency), venous leak (outflow problem), nerve injury, and hormonal contributions (testosterone as a contributor, though isolated low-T is rarely the sole cause). She links ED as an early warning sign for cardiovascular disease (saying heart issues may appear ~7–10 years later) and notes population-level facts cited in the talk (diabetics ~3–5× higher ED risk; nitric oxide production drops ~50% after age 40). Lifestyle and diet (Mediterranean diet, smoking cessation, exercise, sleep, limit alcohol—>14 drinks/week) are emphasized as modifiable contributors; she promotes her GET Heart System, supplements, the "Good Morning Wood Smoothie," and paid programs/ebooks.

Questions this video answers

86%

14%

Nearly 2,000 patients

< 25 centimeters per second

About 1–2 millimeters

Chapters

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