Blood flow and erections | Veedma's evidence-based men's health articles

How to make penis more sensitive: A urologist’s guide to restoring sensation

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Dec 26, 2025 · 13 min read

You can often make your penis more sensitive by changing overstimulating masturbation habits, reviewing medications that blunt sensation, and treating health issues that impair nerve function and blood flow. The key is figuring out whether the problem is “training,” chemistry, circulation, or an underlying condition, then using a simple plan to restore sensation safely. “When ...

Does testosterone make your dick bigger? What the science says about size, erections, and TRT

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Dec 21, 2025 · 11 min read

Testosterone does not make your penis bigger after puberty. But if low testosterone is weakening your erections, restoring healthy levels can make your penis look and function bigger in the moment because erection quality improves. “If you are asking ‘does testosterone make your penis bigger,’ the honest medical answer is no for adult men. Testosterone ...

Does testosterone affect how long you last? The science of stamina

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Dec 19, 2025 · 12 min read

Testosterone mainly supports libido and erectile function, but it does not directly increase Intravaginal Ejaculatory Latency Time (typically about 5 to 7 minutes) because ejaculation timing is largely a serotonin-mediated neurological reflex. Low testosterone can still make you feel like you are finishing “too fast” by destabilizing erections and creating a rush-to-finish pattern. Here is ...

Celebrity penises and the big penis myth: What men’s health science actually says

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Dec 15, 2025 · 11 min read

Celebrity penis rumors rarely reflect measurable reality, and a big penis is not a reliable predictor of sexual performance or sexual health. What matters far more is erection quality, hormone balance, blood flow, and confidence. This article breaks down what size science really shows, how to measure correctly, and what to do if you are ...

What happens if we release sperm daily? What science says about testosterone, muscle, and men’s health

Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate

Dec 11, 2025 · 14 min read

For most healthy men, ejaculating daily is safe and does not meaningfully lower long-term testosterone or impair muscle gains. Frequent ejaculation is unlikely to wreck long-term health, but there are a few important exceptions you should know about. “For the average healthy man, ejaculating every day is more of a lifestyle choice than a medical ...