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All the latest articles from our medical experts on testosterone, men's health, and longevity.

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 · 15 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 ...

Ranking the healthiest cut of steak for building muscle and managing weight

Ranking the healthiest cut of steak for building muscle and managing weight

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Dec 10, 2025 · 12 min read

For building muscle while managing weight, eye of round is one of the leanest steak cuts, helping keep calories and saturated fat relatively low while prioritizing protein. Here’s how to rank the leanest cuts so you still get leucine-driven muscle protein synthesis without the excess saturated fat that can push LDL higher.[5] “Steak is often ...

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 · 14 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). Measure girth by wrapping a tape measure around the mid-shaft. With this standardized method, the average erect length is about 5.1 to 5.5 inches and the average erect girth ...

Does glycine help you sleep better? What studies show about core temperature and next day fatigue

Does glycine help you sleep better? What studies show about core temperature and next day fatigue

Dr. Jonathan Pierce, PhD avatar
Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist
Dec 09, 2025 · 11 min read

Yes. Human research suggests that taking 3 grams of glycine about 1 hour before bed can improve subjective sleep quality and next day fatigue, potentially because glycine lowers core body temperature during sleep. If you are a man who runs “hot” at night, wakes up unrefreshed, or feels flat the next day, glycine is a ...

Does testosterone increase metabolism in men?

Does testosterone increase metabolism in men?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 09, 2025 · 13 min read

In men with confirmed testosterone deficiency, testosterone replacement can modestly increase metabolic rate over 6 to 12 months, largely by adding lean muscle (which raises basal metabolic rate) and reducing visceral fat. The biggest payoff shows up when strength training, protein intake, and sleep are dialed in, and men with normal levels usually see little ...

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