Not a diagnosis: a head start. These are the three drivers most worth checking first, based on what the evidence says gets missed most often.
The penile arteries are narrow; they clog first. New ED deserves a heart-risk check, not just a pill.
Low T and untreated apnoea both sabotage erections. Both testable.
Fine alone but not together (or vice versa) points psychological/pattern, not vascular.
Blood pressure, HbA1c, lipids, morning testosterone
1. Start a two-minute note in the free journal that asks back, so the pattern becomes visible.
2. Take the test list above to your GP; the GP Script Generator will help you say it clearly.
3. Read the evidence: Erectile Dysfunction Is A Cardiovascular Warning.
Want it tracked and reviewed monthly by a real person? The Club, £10/month.
Education, not diagnosis, and never a replacement for your GP or pharmacist. Reference ranges and guidance vary; sudden, severe or worsening symptoms need 111, or 999 in an emergency. By Hussain Sharifi · independent, affiliate-free health intelligence.