Sexual health

Start with what matters: desire, function, and comfort. We explain libido, arousal, erectile function, orgasm, and sexual pain, and how medicines and hormones influence them. Clear language, evidence-based guidance, and practical steps to understand your body and improve sexual well-being.

Finding the best men’s groin deodorant: Science, safety, and what actually works

Finding the best men’s groin deodorant: Science, safety, and what actually works

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 10, 2025 · 14 min read

The best men’s groin deodorant is a low-fragrance, genital-safe formula that reduces odor by suppressing bacteria like Corynebacterium and Staphylococcus (which break apocrine sweat into volatile fatty acids and sulfur compounds), controls moisture, and protects the skin barrier rather than stripping it. Here’s how to choose one you can use daily without turning “freshness” into ...

How do you measure your penis correctly, according to a urologist

How do you measure your penis correctly, according to a urologist

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 09, 2025 · 13 min read

Urologists measure penis length as “bone‑pressed” length—press a rigid ruler into the pubic bone on the top side and measure straight to the tip (glans)—and measure girth by wrapping a tape measure around the mid‑shaft; with this standardized method, the average erect length is about 5.1–5.5 inches and the average erect girth is about 4.8 ...

Sex hormone binding globulin and testosterone in men: What your SHBG levels really mean

Sex hormone binding globulin and testosterone in men: What your SHBG levels really mean

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 09, 2025 · 13 min read

SHBG is a liver-made carrier protein that tightly binds roughly 70% of circulating testosterone, so higher SHBG can lower free (bioavailable) testosterone and cause “low T” symptoms even when total testosterone looks normal; adult men typically fall around 13.3–89.5 nmol/L. Understanding where your SHBG sits helps explain what your tissues can actually use—and why treatment ...

Masturbation MET value and BMR: What research says

Masturbation MET value and BMR: What research says

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 07, 2025 · 13 min read

Most men burn roughly 15–40 kilocalories during a 10–15 minute masturbation session (about 2–3 METs, closer to slow walking than a workout), and it does not meaningfully increase basal metabolic rate BMR. That small burn can still affect stress and sleep, so here’s what the research shows and how to think about it in a ...

How long does a honey pack stay in your system? The risks

How long does a honey pack stay in your system? The risks

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 06, 2025 · 14 min read

“Honey pack” sexual-enhancement sachets are supplement products that often contain undeclared PDE5 inhibitors (such as sildenafil or tadalafil), creating Viagra/Cialis-like blood-vessel relaxation and erection effects that can last roughly 4–36 hours. Because the dose is unknown, they can cause dangerous blood-pressure drops—especially in men with heart disease or anyone taking nitrates or other interacting medications—so ...

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