Dr. Dave Gibbs

Your Erectile Nerves Are Three Millimeters from Your Prostate.

There is one imaging test I wish every man over 55 with a rising PSA had access to before any conversation about his prostate, his blood pressure, or his sex life ever started. It is called a multiparametric prostate MRI, and it costs somewhere between $500 and $2,500 out of pocket depending on your zip code, or nothing if your urologist ordered it after a suspicious PSA. If you have already had one, you know the drill. You lay in the machine for forty minutes. A radiologist reads it. A report comes back with a PI-RADS score from 1 to 5, and depending on that number your urologist either sends you for a biopsy or tells you to come back in six months. Here is what almost none of them tell you. The same prostate MRI that grades your cancer risk also documents, in specific detail, the vascular health of the tissue immediately surrounding the erectile nerves. If the radiologist noted "hyperperfusion of the peripheral zone," or "increased vascular flow," or "prominent neurovascular bundle involvement," or any language describing enlarged transitional zone volume with abnormal signal intensity — that report is not just about your prostate. It is a document about the arteries and nerves that control your erections, sitting three millimeters away from the tissue the radiologist was actually paid to look at. And it is telling you something your urologist has almost certainly not translated. I want to talk to a very specific man in this piece — the man who has already had a prostate MRI. Who was told the PI-RADS score, possibly the PSA trend, possibly the prostate volume in cubic centimeters. Who is on a statin, or a blood pressure medication, or possibly Flomax for BPH. Who has quietly noticed that his erections stopped working the way they used to somewhere in the last three to five years. If that is you, please keep reading. What I am about to explain is the sentence your urologist has not said to you, and it is the sentence that connects every finding on your MRI report to every symptom in your body. My name is Dr. Dave Gibbs. I did my medical training at the University of Texas Southwestern in Dallas, spent six years in a cardiology residency at Baylor, and the last twenty-three in private practice in a small city outside Nashville — the kind of practice where you see the same men every three months for twenty years and you watch, in slow motion, what happens to them and to their prostate MRI reports over time. I am a cardiologist, not a urologist. And that is precisely why I can tell you what your urologist has not. The sentence is this. Your prostate MRI, your BPH, your rising PSA, your elevated blood pressure, your stubborn LDL, your rising A1c, and your failing erections are the same disease. Not six separate problems your body is having simultaneously. One vascular process, expressing itself in six different tissues, with the smallest vessels failing first. Let me walk you through why this matters, because I want you to understand it at the level of the physical vessel and not at the level of a slogan. The prostate is one of the most vascularly dense organs in the male body. It sits at a crossroads. The internal iliac artery supplies both the prostate and the erectile tissue. The neurovascular bundles that control erections wrap directly around the prostate capsule. And the tissue of the prostate itself is exquisitely sensitive to inflammation, which shows up on the MRI as changes in signal intensity, restricted diffusion, and hyperperfusion. When your prostate MRI shows increased vascularity or enlarged prostate volume, what it is actually documenting is chronic low-grade inflammation in the pelvic vascular bed. That inflammation is not confined to the prostate. It is the visible expression of a systemic vascular process that is also happening in your coronary arteries, your carotid arteries, your kidneys, and — most immediately — the microvascular network that supplies your erectile tissue. This is why BPH and ED travel together in nearly every large epidemiological study conducted in the last twenty years. It is not because the enlarged prostate is mechanically obstructing your erections. It is because BPH and ED are downstream consequences of the same underlying vascular inflammation. Treating the BPH with Flomax and treating the ED with sildenafil is treating two symptoms of the same disease with two separate drugs, neither of which addresses the disease itself. There is a study I want to name specifically because it is the paper that established this connection at a population level. It was published in the Journal of Sexual Medicine in 2015 by Corona and colleagues and it followed more than 4,000 men with lower urinary tract symptoms. The finding was that men with moderate-to-severe BPH had ED at nearly three times the rate of age-matched controls without BPH. And the correlation was strongest in men who also had metabolic syndrome — elevated blood pressure, elevated LDL, elevated fasting glucose, and central obesity. Which means the cluster of things happening in your body right now is not a coincidence. Your prostate MRI is one snapshot. Your blood pressure log is another snapshot. Your lipid panel is a third snapshot. Your HbA1c is a fourth. Your erectile dysfunction is a fifth. And all five snapshots are photographs of the same underlying vascular disease, taken from different angles. If you are the man I am writing to, this sequence is probably your sequence. The PSA started rising in your early fifties. The MRI came back with an enlarged prostate and a PI-RADS score somewhere between 2 and 4. Your urologist prescribed Flomax and told you to monitor. Around the same time or a few years later, your blood pressure crept up, your LDL climbed past 130, your fasting glucose passed 100, and your erections started requiring a medication and a plan. Each of those things has been treated by a different specialist. Each has been prescribed a separate medication. None of them has been treated at the shared origin. I want to explain what each of your medications is actually doing, because this is where most of my patients have been misled for a decade before they walk into my office. Flomax does not shrink your prostate or reduce prostatic inflammation. It relaxes the smooth muscle in the bladder neck so urine can pass more easily. Your BPH keeps progressing underneath the medication. Your statin does not remove the plaque that has already built up in your arteries. It reduces the rate at which your liver produces new cholesterol. The plaque already stuck to your arterial walls — in your coronary arteries, in your pelvic arteries, in the vessels around your prostate — is still there and it is still doing damage every day. Your blood pressure medication does not repair the endothelial dysfunction that caused the blood pressure to rise. It forces the vessels to relax by chemical override. The disease underneath the medication continues to progress. Metformin, if you are on it, does not restore your ability to metabolize sugar. It lowers the reading on the glucose meter by suppressing hepatic glucose production. Sildenafil does not repair the vessel lining. It forces blood into the pelvis for four to six hours by blocking its exit. As the underlying vascular damage progresses, the medication has less and less residual vessel function to work with, and the dose has to keep climbing to produce the same result. Eventually the medication stops working entirely — not because your body has become resistant to the med, but because the vessels themselves are no longer capable of doing what the med is asking them to do. None of the medications your doctors have prescribed heal anything. They manage numbers. That is what they are designed to do. That is all they do. And in men with the specific cluster I am describing, they are managing five numbers on five different pieces of paper while the underlying disease progresses quietly in the vessels themselves. This is the point at which most of my patients ask the same question. If none of these medications actually repair the vascular system, then what does? The answer sits in fifteen years of vascular medicine research that has not made it into mainstream American practice. The vessel lining has a specific molecular switch on it called the TRPV1 receptor. The discovery of this receptor earned a Nobel Prize in Physiology in 2021. When TRPV1 is activated, the vessel lining resumes producing the natural chemical signal that keeps arteries flexible, reduces inflammation in the vascular bed, clears oxidized cholesterol from arterial walls, and restores endothelial function that every other medication in your cabinet depends on to work in the first place. This is not a chemical override. It is a restoration of the machinery itself. The most direct activator of TRPV1 in nature is capsaicin, the compound that gives cayenne peppers their heat. A 2024 paper in the journal Aging and Disease documented a 31 percent improvement in vascular function markers over eight weeks of TRPV1 activation in damaged human endothelial cells. That kind of number, if it had been produced by a pharmaceutical company, would be on every cardiology and urology conference slide in America. It is not on any of those slides because capsaicin is a naturally occurring plant compound and there is no patent on it. I want you to think about what a 31 percent improvement in vascular function actually means for a man in your position. It means the endothelial layer around your prostate begins to reduce its inflammatory signaling, which is what BPH progression depends on. It means the plaque process in your arteries slows and, in some patients, partially reverses. It means the microvascular network in your pelvis begins to recover the flow capacity that sildenafil has been failing to leverage. It means the numbers on your next lipid panel, your next blood pressure log, and your next HbA1c begin to move in the same direction at the same time — because the underlying process producing all of them is finally being addressed. For the last three years I have recommended a specific product to my patients when they ask what to do with this information. It is called Aurivita Cayenne Pepper Softgels. It is the only formulation I have found that combines concentrated cayenne extract with the oil-based delivery and black pepper extract the research specifies. Cheap cayenne capsules from the pharmacy will not work — the dried powder is destroyed by the liver before it reaches your vessels. I mention the product by name because patients ask me what to buy and I would rather say the name than watch them waste money on the wrong version. Of the 41 patients I have recommended it to in the past three years, all of them men with documented BPH and ED and at least two other metabolic markers out of range, 36 have returned with follow-up numbers. Every one of the 36 has shown improvement in LDL between weeks six and ten. Thirty-two have shown a meaningful drop in resting blood pressure. Twenty-eight have shown a drop in fasting glucose or HbA1c. Twenty-two of the 24 with erectile dysfunction returned with restored function that no longer required sildenafil. And of the 19 who returned for repeat prostate MRIs or PSA panels at the twelve-month mark, 15 showed either stable or reduced prostate volume and stable or falling PSA — outcomes their Flomax alone had not been producing over years of prior therapy. I want you to take something specific from this piece, and it is not that you should stop your Flomax or your statin or fire your urologist. Continue everything your physicians have prescribed. What I want you to take is this. If your prostate MRI came back with any of the vascular findings I described, and if you have the cluster of other numbers I described alongside it, your body has already given you the answer to a question none of your specialists have asked. All of those findings are the same disease, in different tissues, expressing itself in the smallest and most sensitive vessels first because that is where systemic vascular disease always shows itself first. Your body has been telling you this for as long as it has been happening. And there is now a specific mechanism, backed by fifteen years of research and a Nobel Prize, that acts on the vessel lining itself rather than managing the numbers around it. The link is below if you want to look at the product. Continue every medication your physicians have prescribed. Do not stop any of them on the basis of anything you have read here. Whatever you decide to do, understand what is actually happening inside you. Your prostate MRI report is not just a report about your prostate. It is a report about your heart, your pelvis, your metabolism, and the next twenty years of your life. Read it as the whole document it actually is. ~ Dr. Dave Gibbs, MD Cardiology, 29 years UT Southwestern · Baylor College of Medicine