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

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

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

Dr. Jonathan Pierce, PhD avatar
Dr. 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, ...

Do runners live longer? The science behind mileage and mortality

Do runners live longer? The science behind mileage and mortality

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 03, 2025 · 15 min read

In long-term studies, running as little as 5–10 minutes a day at an easy pace is linked to roughly a 3-year longer lifespan and about a 27% lower risk of all-cause mortality versus not running. The sweet spot for longevity appears to be moderate weekly volume (around 2–3 hours), not marathon-level mileage—here’s how it works ...

Is your diet sabotaging your hormones? The science of testosterone killing foods

Is your diet sabotaging your hormones? The science of testosterone killing foods

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 03, 2025 · 16 min read

Testosterone typically declines about 1% per year after age 35, but a “Western” diet high in ultra-processed fried foods, sugar-sweetened drinks, and refined grains is linked to even lower levels by driving chronic inflammation, belly fat, and insulin resistance. Here’s what the research says to limit, what to watch for, and how to build meals ...

On Cloud X 3 review: The biomechanics of a true hybrid training shoe

On Cloud X 3 review: The biomechanics of a true hybrid training shoe

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Dec 02, 2025 · 10 min read

The Cloud X 3 functions as a true hybrid only for moderate lifting and short runs (about 1–4 miles) by pairing firmer, less-compressible CloudTec foam with a Speedboard to improve force transfer while still attenuating running impacts that can exceed 2.5× body weight. This evidence-based review breaks down where that stability–cushioning compromise works, where it ...

Volume eating: How to lose weight by eating more food, not less

Volume eating: How to lose weight by eating more food, not less

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 02, 2025 · 12 min read

Volume eating can help you lose weight by centering meals on low–energy density foods (fewer calories per gram), letting you eat a similar volume, trigger fullness signals, and still reduce total calorie intake. Here’s how to use big, fiber- and water-rich portions without shortchanging protein, healthy fats, energy, or your relationship with food. “Volume eating ...

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