# PeeDoc > Patient education from Roscoe Nelson, MD, a board-certified urologist and Fellow of the American College of Surgeons with more than 30 years in urology. Straight answers about hormones, perimenopause and menopause, testosterone, sexual health, recurrent UTIs, vasectomy, urinary and prostate health. Clinical care is provided at Peri Health & Hormones in Draper, Utah (https://perihealthcare.com). This site is education, not medical advice. Content is written by Dr. Nelson and reviewed against current practice; time-sensitive pages carry an Updated date. ## Health topics - [PeeDoc](https://www.peedoc.com): Straight answers about hormones, sexual health, urinary health, recurrent UTIs and aging, from board-certified urologist Roscoe Nelson, MD. - [About Dr. Roscoe Nelson](https://www.peedoc.com/about): Board-certified urologist, Fellow of the American College of Surgeons, more than 30 years in urology with deep exposure to andrology, hormones and sexual medicine. - [Women's Health](https://www.peedoc.com/womens-health): Perimenopause, menopause, hormone therapy, genitourinary syndrome of menopause and recurrent UTI, explained plainly by Roscoe Nelson, MD. - [Men's Health](https://www.peedoc.com/mens-health): Testosterone, erectile dysfunction, libido, fertility and prostate health, evaluated properly rather than from a single lab value. - [Hormones, Longevity & Healthy Aging](https://www.peedoc.com/hormones-healthy-aging): Fatigue, poor sleep, lost muscle, weight around the middle, low libido and brain fog. What to measure, what it means, and how the hormonal system actually works. - [Weight & Metabolic Health](https://www.peedoc.com/weight-metabolic-health): Metabolic health, body composition, insulin resistance and muscle preservation. Why the scale is the least informative number available. - [Sexual Health](https://www.peedoc.com/sexual-health): Low desire, painful sex, erectile dysfunction, arousal and orgasm changes. What causes them in women and men, and what treatment actually involves. - [Understanding Your Lab Results](https://www.peedoc.com/understanding-your-labs): Why a normal lab result does not always mean you are fine. Reference ranges versus optimal, total versus free, SHBG, timing, and when a second opinion is worth getting. ## Active clinical practice - [Recurrent UTI](https://www.peedoc.com/recurrent-utis): Recurrent urinary tract infections are common and treatable. Evaluation with PCR and next generation sequencing, prevention and treatment with Roscoe Nelson, MD. - [No-Needle, No-Scalpel Vasectomy](https://www.peedoc.com/vasectomy): A no-needle, no-scalpel vasectomy performed personally by Roscoe Nelson, MD. What it involves, how to prepare, recovery day by day, and why the follow-up test matters. ## Articles - [Men and Women Run on the Same Hormones](https://www.peedoc.com/articles/men-and-women-same-hormones): Estrogen, progesterone and testosterone are not his and hers. What differs is the amounts, the ratios, the timing, and how tissues respond. - [Peptides: What They Are, and Why the Rules Keep Changing](https://www.peedoc.com/articles/peptides-what-they-are): Peptides are oversold and misunderstood in roughly equal measure. What they actually are, why so few are FDA approved, and how to tell the well-supported ones from the rest. - [Low Testosterone: When a Number Actually Matters](https://www.peedoc.com/articles/low-testosterone-when-the-number-matters): Symptomatic men get told they are normal for one reason: someone read a single testosterone number without context. What the number does and does not tell you, and why treatment is on the table more often than men hear. - [Gaslighting in Medicine, I’m Sorry - Recurrent UTI. (originally posted 9/27/21)](https://www.peedoc.com/articles/gaslighting-in-medicine-recurrent-uti): Women with recurrent UTI symptoms are routinely told nothing is wrong. Why standard urine cultures miss real infections, and what testing can find them. - [Preventing Recurrent UTIs: Tips and Strategies for Urinary Tract Health](https://www.peedoc.com/articles/preventing-utis): Practical steps that reduce recurrent urinary tract infections, and an honest look at where the prevention evidence is strong and where it is weaker than people assume. - [The Menopause Connection to Recurrent UTIs](https://www.peedoc.com/articles/vaginal-estrogen-and-recurrent-uti): If your urinary infections started after menopause, the reason is usually estrogen. Vaginal estrogen is one of the most effective and most underused preventions we have. - [Erectile Dysfunction Is a Warning Sign, Not Just a Bedroom Problem](https://www.peedoc.com/articles/erectile-dysfunction-warning-sign): The arteries in the penis are small, which means they clog first. New erectile dysfunction in a man under 60 deserves a cardiovascular workup, not just a prescription. - [Preventing ED during Prostate Cancer Treatment](https://www.peedoc.com/articles/preventing-ed-during-prostate-cancer-treatment): Can Viagra during radiation help preserve erections? What penile rehabilitation is trying to accomplish, and what the evidence actually supports. - [Can a person survive on 1 kidney that is not failing but not in perfect condition?](https://www.peedoc.com/articles/living-with-one-kidney): Can you live with one kidney that is not in perfect condition? Usually yes, but carefully. How diabetes, blood pressure, and ordinary aging change the math. - [Is the PSA Test Right for You?](https://www.peedoc.com/articles/is-the-psa-test-right-for-you): PSA is the most argued-over test in urology. What an elevated result means, why overtreatment was a real problem, and what changed to fix it. - [Kidney Stone Size: What Passes on Its Own and What Doesn't](https://www.peedoc.com/articles/kidney-stone-size): A 6 mm stone and a 6 cm stone are not the same problem. What your report actually says, the odds a stone passes, how long it takes, and the one symptom that means go to the ER tonight. - [Patient Question - Fish Oil and the Prostate](https://www.peedoc.com/articles/fish-oil-and-the-prostate): Does fish oil raise PSA or prostate cancer risk? A look at the omega-3 study that worried a lot of patients, and what it does and does not actually show. - [Patient Question: Can you overdose on potassium?](https://www.peedoc.com/articles/can-you-overdose-on-potassium): You can overdose on potassium, but for most people it takes far more than bananas. When kidney problems and certain blood pressure medications make it a real risk. - [Patient Question: My kidney stone is 6 cm, is there an option to try and dissolve?](https://www.peedoc.com/articles/can-kidney-stones-be-dissolved): Most kidney stones are calcium-based, and once they form they are nearly impossible to dissolve. What actually works for a large stone, and when surgery is the answer. - [Patient Question: Where is kidney pain referred to?](https://www.peedoc.com/articles/where-is-kidney-pain-referred-to): Kidney pain shows up in the mid back, the abdomen, or the groin depending on the cause. How to tell it apart from an ordinary muscle strain. - [Smoking Does Not Stop at Your Lungs](https://www.peedoc.com/articles/smoking-does-not-stop-at-your-lungs): Everyone knows what smoking does to lungs. Almost nobody knows it is the biggest cause of bladder cancer, or that it shows up in the bedroom years before it reaches the heart. A urologist's case for quitting, and how to actually do it. - [The Government’s War Against Men’s Health is About to Get Much Worse (by Benjamin Davies, MD)](https://www.peedoc.com/articles/war-against-mens-health): Guest commentary from Benjamin Davies, MD, on how changes to prostate cancer screening policy affect men's health. - [Thirty Years of Technology in Urology: What Worked and What Didn't](https://www.peedoc.com/articles/technology-and-urology): A urologist looks back at three decades of new technology, what actually changed how patients do, and what quietly disappeared. - [Treatment Options for Prostate Cancer](https://www.peedoc.com/articles/treatment-options-for-prostate-cancer): You've been diagnosed with prostate cancer. How grade, stage, and your own health shape the decision, and what each option actually involves. - [Treatment for Advanced Prostate Cancer](https://www.peedoc.com/articles/whats-new-in-the-treatment-of-prostate-cancer): What we can do for prostate cancer that has spread, and how treating earlier and harder changed the outlook. - [Understanding the PSA Test](https://www.peedoc.com/articles/understanding-the-psa-test): A single PSA number rarely settles anything. How age, free PSA, density, and velocity each add to the picture, and what actually happens after an elevated result. - [UroLift Center of Excellence, and What It Actually Means for an Enlarged Prostate](https://www.peedoc.com/articles/urolift-center-of-excellence): Dr. Roscoe Nelson was designated a UroLift Center of Excellence. More useful than the award: where minimally invasive options actually fit for an enlarged prostate. - [What Happens if My PSA is Elevated?](https://www.peedoc.com/articles/what-happens-if-my-psa-is-elevated): An elevated PSA is a starting point, not a diagnosis. What happens at the follow-up visit, and how the decision to biopsy actually gets made. - [The Bliss Point: Why You Cannot Stop at One](https://www.peedoc.com/articles/bliss-point): The food industry has a name for the exact mix of sugar, salt and fat that maximizes craving, and companies spend years of testing to hit it. What the bliss point is, the NIH trial that proved the effect, and why fighting science with science is nothing to be ashamed of. - [The Scale Is Measuring the Wrong Thing](https://www.peedoc.com/articles/weight-is-only-part-of-the-story): Two people at the same weight can be in completely different metabolic shape. And a good deal of what gets blamed on aging turns out to be weight. - [Patient Question: Why do bladders fall in the first place?](https://www.peedoc.com/articles/why-do-bladders-fall): Pelvic organ prolapse happens because the pelvic floor carries real weight. Why pregnancy, aging, and tissue change make bladders drop, and what can be done. - [Perimenopause: The Years Nobody Warned You About](https://www.peedoc.com/articles/perimenopause-what-nobody-tells-you): Your labs came back normal and you still feel wrong. Here is why perimenopause is so often missed, and what is actually happening. - [What You Should Know About Perimenopause and Menopause Hormone Therapy](https://www.peedoc.com/articles/perimenopause-and-menopause-hormone-therapy): A single study in 2002 changed how a generation of women were treated. What it actually found, what we understand now, and why waiting until after menopause is usually the wrong advice. - [What are the Different Types of Urinary Incontinence?](https://www.peedoc.com/articles/types-of-urinary-incontinence): Stress, urge, overflow, and mixed incontinence are different problems with different treatments. How to tell them apart and what actually helps each one. ## Urology library (condition and procedure pages) - [Aquablation](https://www.peedoc.com/aquablation): Aquablation, explained by Roscoe Nelson, MD. - [Enlarged Prostate (BPH)](https://www.peedoc.com/benign-prostatic-hypertrophy-bph): Enlarged Prostate (BPH), explained by Roscoe Nelson, MD. - [Bladder Cancer](https://www.peedoc.com/bladder-cancer): Bladder Cancer, explained by Roscoe Nelson, MD. - [Board Certification](https://www.peedoc.com/board-certified): Board Certification, explained by Roscoe Nelson, MD. - [Ejaculatory Dysfunction](https://www.peedoc.com/ejaculatory-dysfunction): Ejaculatory Dysfunction, explained by Roscoe Nelson, MD. - [Erectile Dysfunction](https://www.peedoc.com/erectile-dysfunction-ed): Erectile Dysfunction, explained by Roscoe Nelson, MD. - [Female Hormone Replacement Therapy](https://www.peedoc.com/female-hormone-replacement-therapy): Female Hormone Replacement Therapy, explained by Roscoe Nelson, MD. - [Blood in the Urine](https://www.peedoc.com/hematuria-blood-in-urine): Blood in the Urine, explained by Roscoe Nelson, MD. - [Hormonal Health](https://www.peedoc.com/hormonal-health): Hormonal Health, explained by Roscoe Nelson, MD. - [Urinary Incontinence](https://www.peedoc.com/incontinence): Urinary Incontinence, explained by Roscoe Nelson, MD. - [Interstitial Cystitis](https://www.peedoc.com/interstitial-cystitis): Interstitial Cystitis, explained by Roscoe Nelson, MD. - [Kidney Stones](https://www.peedoc.com/kidney-stones): Kidney Stones, explained by Roscoe Nelson, MD. - [Low Libido](https://www.peedoc.com/low-libido): Low Libido, explained by Roscoe Nelson, MD. - [Low Testosterone](https://www.peedoc.com/low-testosterone-low-t): Low Testosterone, explained by Roscoe Nelson, MD. - [Male Infertility](https://www.peedoc.com/male-infertility): Male Infertility, explained by Roscoe Nelson, MD. - [Penile Problems](https://www.peedoc.com/penile-problems): Penile Problems, explained by Roscoe Nelson, MD. - [Prostate Cancer](https://www.peedoc.com/prostate-cancer): Prostate Cancer, explained by Roscoe Nelson, MD. - [Prostatic Artery Embolization](https://www.peedoc.com/prostatic-arterial-embolization): Prostatic Artery Embolization, explained by Roscoe Nelson, MD. - [Prostatitis](https://www.peedoc.com/prostatitis): Prostatitis, explained by Roscoe Nelson, MD. - [Elevated PSA](https://www.peedoc.com/psa): Elevated PSA, explained by Roscoe Nelson, MD. - [UroLift](https://www.peedoc.com/urolift): UroLift, explained by Roscoe Nelson, MD. - [Urologic Cancers](https://www.peedoc.com/urologic-cancers): Urologic Cancers, explained by Roscoe Nelson, MD. - [Urinary Tract Infections](https://www.peedoc.com/utis): Urinary Tract Infections, explained by Roscoe Nelson, MD. - [What's Urology?](https://www.peedoc.com/whats-urology): What's Urology?, explained by Roscoe Nelson, MD. ## Reference - [Urology Library](https://www.peedoc.com/urology-library): Trusted urology education on prostate, bladder, kidney and urinary health, built over more than two decades by Roscoe Nelson, MD. - [Glossary of Urologic and Hormone Terms](https://www.peedoc.com/urology-glossary): Plain language definitions of the urology and hormone terms patients actually run into, written by Roscoe Nelson, MD. - [Frequently Asked Questions](https://www.peedoc.com/faq): Answers about Dr. Roscoe Nelson, what he treats, recurrent UTI, vasectomy, hormones, telehealth and how to become a patient. - [Supplements](https://www.peedoc.com/supplements): A curated, evidence-graded supplement formulary from Roscoe Nelson, MD. What each product does, what the evidence supports, and where it is thinner than the marketing.