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

The metabolic truth: How many calories does masturbation actually burn?

The metabolic truth: How many calories does masturbation actually burn?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 07, 2025 · 13 min read

Masturbation does burn calories, but not nearly enough to count as a workout. Here is what the research says, how many calories jerking off actually burns, and how to fold it into a smart, male-focused weight plan. “Masturbation is normal, healthy sexual behavior for most men. It burns a few calories and can ease stress, ...

Henry Cavill weight training: The physiology behind the Man of Steel’s physique

Henry Cavill weight training: The physiology behind the Man of Steel’s physique

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Dec 07, 2025 · 10 min read

Building a superhero body requires more than just showing up to the gym. From metabolic demands to neuromuscular adaptation, here is the clinical science behind the training and recovery habits that power Henry Cavill’s transformation. “When we look at a physique like Cavill’s, we often fixate on the heavy lifting. But the real magic happens ...

How biomarker data and report optimization in men can unlock better health

How biomarker data and report optimization in men can unlock better health

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 07, 2025 · 13 min read

Wearables, lab panels, and health apps are turning midlife checkups into data streams. Here is how smarter report optimization in men can turn those numbers into better energy, libido, and long-term health. “Most men now have more health data than their doctors had 20 years ago. The real win is not more testing, but turning ...

What do elliptical trainers do for your physique and longevity?

What do elliptical trainers do for your physique and longevity?

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Dec 07, 2025 · 13 min read

Elliptical trainers are more than a backup plan when every treadmill is taken. Here is what they actually do to your muscles, joints, heart, and hormones, and how men can use them for real results. “When guys ask me what do elliptical trainers do, they usually underestimate them. Used with real intent and proper form, ...

The worst foods for gut health and how they disrupt your entire system

The worst foods for gut health and how they disrupt your entire system

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 06, 2025 · 9 min read

We often think of digestion as a simple mechanical process, but your microbiome is actually a complex endocrine organ that controls immunity, mood, and metabolism. Here is the clinical evidence on which foods cause the most damage and how to restore balance. “Think of your microbiome as a metabolic control center, not just a digestion ...

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