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

Does lifting weights burn fat? The science-backed answer for men who want visible results

Does lifting weights burn fat? The science-backed answer for men who want visible results

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Jan 05, 2026 · 9 min read

Lifting weights can support fat loss by building and preserving muscle, which helps maintain a higher resting metabolic rate and improves body composition over weeks and months. Here’s how to set up your training and tracking so the mirror changes even when your workout isn’t “burning fat” in the moment. “If you’re asking ‘does lifting ...

Does alcohol cause inflammation? What men need to know about the immune response

Does alcohol cause inflammation? What men need to know about the immune response

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Jan 04, 2026 · 10 min read

Alcohol causes systemic, dose-dependent inflammation by producing acetaldehyde and activating liver immune cells (Kupffer cells) to release pro-inflammatory cytokines such as TNF-α and IL-6, while also weakening the gut barrier so bacterial toxins can enter the bloodstream. That immune “alarm” can keep firing long after the buzz fades—affecting blood vessels, testosterone production, and sexual function. ...

Do low salt frozen meals actually exist? A guide to heart-healthy muscle fuel

Do low salt frozen meals actually exist? A guide to heart-healthy muscle fuel

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Jan 03, 2026 · 11 min read

Low-salt frozen meals do exist, but many “high-protein” options still deliver around 1,200 mg of sodium per serving—more than 50% of the American Heart Association’s 2,300 mg/day limit. This guide breaks down how excess sodium drives fluid retention and blood-pressure strain, and how to spot freezer meals that fuel muscle without compromising vascular health. “Many ...

What is biohacking? The science of optimizing male biology

What is biohacking? The science of optimizing male biology

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Jan 03, 2026 · 10 min read

Biohacking is a data-driven approach to improving physiology by measuring key biomarkers (such as glucose, cortisol, and testosterone), changing lifestyle or environmental inputs, and re-testing using a “measure, modify, measure” loop. Here’s how mechanisms like epigenetic regulation and hormesis can help counter modern stressors and extend healthspan. “Biohacking is often marketed as a shortcut, but ...

Can you build muscle in a deficit? The science of body recomposition

Can you build muscle in a deficit? The science of body recomposition

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Jan 02, 2026 · 10 min read

Building muscle in a calorie deficit is possible when the deficit is mild (about 200–300 calories below maintenance) and paired with high protein intake plus progressive resistance training, allowing stored body fat to help cover the energy cost of muscle protein synthesis through improved nutrient partitioning. The key is learning the physiological “rules” that let ...

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