Posts tagged blood flow and erections | XY Files – Veedma's evidence-based men's health articles

Rectal delivery systems: Understanding the clinical role of suppositories in men’s health

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

Dec 05, 2025 · 12 min read

From constipation and hemorrhoids to pelvic pain and erectile dysfunction, suppositories can give men targeted relief with fewer whole‑body side effects. Here is how to choose truly healthy suppositories for men and use them safely. “Men are often surprised to learn that a tiny suppository placed in the rectum or urethra can influence prostate symptoms, ...

Semen retention meaning and the science behind the hype

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

Dec 05, 2025 · 12 min read

Many men search for the true semen retention meaning hoping for higher testosterone, sharper focus, and better sex. Here is what the science actually shows about holding your semen, your hormones, and your long‑term health. “Your body is not a battery that ‘charges up’ testosterone by holding semen. Sperm and testosterone are related but separate ...

Why no morning wood happens and what it reveals about your vascular health

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

Dec 01, 2025 · 14 min read

Morning wood can be a useful window into your testosterone, blood vessels, nerves, and sleep. Here is what it actually means when you wake up hard – or stop noticing it. “Morning erections are one of the simplest, real‑world checks of a man’s sexual health. They reflect testosterone, blood flow, nerves, and sleep quality all ...

Can kale really help erections? What the science actually says

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

Nov 24, 2025 · 11 min read

Erectile dysfunction is often an early warning sign of vascular trouble, but specific dietary changes can improve blood flow and hormonal balance. Here is the evidence-based guide to eating for stronger performance. “Many men treat erectile dysfunction as an isolated mechanical failure, but it is almost always a systemic issue. The penile arteries are much ...

Does nicotine increase testosterone or quietly wreck it?

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

Nov 20, 2025 · 9 min read

Internet forums are full of rumors that smoking boosts male hormones. While lab results often show higher levels in smokers, the biological reality involves a dangerous trade-off between hormone quantity and sexual function. “We often see a ‘smoker’s paradox’ in clinic. A patient might have decent testosterone numbers on paper because nicotine blocks the breakdown ...