Posts in Testosterone 101

Everything you need to know about testosterone, backed by the latest research. We turn complex topics like diagnosis, dosing, delivery methods, and lab results into simple, practical insights. Understand TRT benefits and risks, maintain estradiol balance, and spot drug interactions - all grounded in evidence, not hype.

Can low testosterone cause joint pain?

Can low testosterone cause joint pain?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 06, 2025 · 13 min read

Many men blame age or old injuries for aching knees and stiff shoulders. But if you also feel tired, weaker in the gym, and less interested in sex, low testosterone might be part of your joint pain story. “When men ask me ‘can low testosterone cause joint pain,’ I tell them this: testosterone is not ...

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

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

Dr. Alexander Grant, MD, PhD avatar
Dr. 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

Dr. Alexander Grant, MD, PhD avatar
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 ...

Does testosterone cause hair loss? Separating hormonal fact from fiction

Does testosterone cause hair loss? Separating hormonal fact from fiction

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 04, 2025 · 10 min read

The correlation between a receding hairline and high testosterone is one of the most persistent beliefs in men’s health. While hormones play a critical role, the biological reality involves enzymes, genetics, and receptor sensitivity rather than just your total testosterone levels. “I see many men who are terrified that treating their low testosterone will cost ...

TRT before and after: What the clinical data actually promises for your body

TRT before and after: What the clinical data actually promises for your body

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 04, 2025 · 13 min read

Dramatic “before and after TRT” photos are everywhere online. The real question is what changes testosterone therapy can safely deliver for men in the gym, the bedroom, and everyday life—and what it cannot. “The most powerful ‘before and after TRT’ story is not a six-pack picture. It is a tired, frustrated man who can finally ...

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