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

Neutral grip pulldown: How to build your back while protecting your shoulders

Neutral grip pulldown: How to build your back while protecting your shoulders

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Nov 26, 2025 · 9 min read

A neutral-grip pulldown builds back width with lat activation comparable to a wide, palms-forward pulldown, but it’s more shoulder-friendly because it avoids the “high five” position (abduction + external rotation) and maintains more subacromial space for the rotator cuff. Here’s how turning your hands to face each other can “unjam” the joint so you can ...

Medicine 3.0: How prevention-based care can add healthy years to your life

Medicine 3.0: How prevention-based care can add healthy years to your life

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 25, 2025 · 15 min read

Medicine 3.0 adds healthy years by predicting 10–30 year risk and treating silent disease early — for example, a coronary artery calcium (CAC) CT scan can detect plaque burden, and a higher CAC score predicts future heart attacks and strokes beyond standard cholesterol tests. Here’s how to apply this prevention-first playbook to protect your testosterone, ...

8 signs of healthy sperm every man should know

8 signs of healthy sperm every man should know

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Nov 25, 2025 · 15 min read

Because sperm cells make up only about 5–10% of semen, the most reliable “signs” of healthy sperm are stable semen color and consistency, a decent ejaculate volume, no pain or blood, and semen-analysis results that meet reference ranges for count, motility, and morphology. Since sperm production takes about 74 days, tracking noticeable changes can help ...

Hydrogen water bottle benefits: Hype, risks, and what the science actually says

Hydrogen water bottle benefits: Hype, risks, and what the science actually says

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Nov 24, 2025 · 15 min read

Hydrogen water bottles dissolve extra molecular hydrogen (H₂) into water, and early small human studies suggest modest reductions in oxidative-stress markers and post‑exercise fatigue via a “selective antioxidant” effect—not the dramatic recovery, focus, or anti‑aging results often marketed. Here’s how these devices generate H₂, what the research and real-world risks show, and how to decide ...

Does creatine help you lose weight or just add water weight?

Does creatine help you lose weight or just add water weight?

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Nov 24, 2025 · 14 min read

Creatine doesn’t directly burn body fat, and it often causes a small early increase on the scale because it pulls water into muscle cells as muscle creatine stores rise about 10%–40%. That same ATP-recycling boost can help you train harder and retain lean mass during a cut, improving body composition even if the scale doesn’t ...

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