Posts in Mental health

Everything you need to know about how hormones shape mood, focus, and emotional balance. We explore anxiety, depression, ADHD, stress response, and cognitive performance through the lens of neuroscience and endocrinology. Learn how to stabilize cortisol, support healthy testosterone levels, and rebuild mental clarity.

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

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

Alexander Grant, MD, PhD: Urologist & Men’s health advocate avatar
Alexander Grant, MD, PhD: Urologist & Men’s health advocate
Dec 09, 2025 · 13 min read

If you have ever wondered “how do you measure your penus” or worried that you do not stack up, the real answer starts with using the same method urologists use in clinic and research. “Most men have never been shown how to measure their penis in a standard way. Once we do it correctly, the ...

Does stress cause low testosterone in men? What science really shows

Does stress cause low testosterone in men? What science really shows

Alexander Grant, MD, PhD: Urologist & Men’s health advocate avatar
Alexander Grant, MD, PhD: Urologist & Men’s health advocate
Dec 05, 2025 · 13 min read

Chronic stress can quietly push testosterone down and make it harder for your body to recover, focus, and stay lean. Here is how stress and testosterone interact, what symptoms to watch for, and what actually helps break the cycle. “Stress and testosterone talk to each other all day long. Short bursts of stress are usually ...

Semen retention meaning and the science behind the hype

Semen retention meaning and the science behind the hype

Alexander Grant, MD, PhD: Urologist & Men’s health advocate avatar
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 ...

The science of food noise and how to turn down the volume

The science of food noise and how to turn down the volume

Jonathan Pierce, PhD: Clinical psychologist & Neuroscience specialist avatar
Jonathan Pierce, PhD: Clinical psychologist & Neuroscience specialist
Dec 03, 2025 · 16 min read

If your brain never shuts up about food, it is not a character flaw. It is a brain–body signal problem that you can dial down with the right mix of habits, hormones and, when needed, medication. “When a man tells me he wakes up thinking about food and goes to bed planning his next snack, ...

How quickly does B12 shot work for energy and cognitive focus?

How quickly does B12 shot work for energy and cognitive focus?

Susan Carter, MD: Endocrinologist & Longevity expert avatar
Susan Carter, MD: Endocrinologist & Longevity expert
Dec 01, 2025 · 13 min read

Vitamin B12 shots can quickly correct low B12 in people who cannot absorb pills, but the benefits, timing, and safe injection technique depend on your health, your dose, and exactly where and how the shot is given. “For the right patient, a B12 injection is like fixing a blocked fuel line. If you’ve been running ...

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