Lifestyle & longevity

Design daily habits that support hormonal balance and long-term vitality. Master sleep and circadian timing, eat for metabolic stability, and use micronutrients with purpose. Make informed choices about alcohol, nicotine, sauna, and cold exposure. We translate longevity research into clear, practical playbooks you can apply today.

Ranking the healthiest cut of steak for building muscle and managing weight

Ranking the healthiest cut of steak for building muscle and managing weight

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Dec 10, 2025 · 12 min read

For building muscle while managing weight, eye of round is one of the leanest steak cuts, helping keep calories and saturated fat relatively low while prioritizing protein. Here’s how to rank the leanest cuts so you still get leucine-driven muscle protein synthesis without the excess saturated fat that can push LDL higher.[5] “Steak is often ...

Does glycine help you sleep better? What studies show about core temperature and next day fatigue

Does glycine help you sleep better? What studies show about core temperature and next day fatigue

Dr. Jonathan Pierce, PhD avatar
Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist
Dec 09, 2025 · 11 min read

Yes. Human research suggests that taking 3 grams of glycine about 1 hour before bed can improve subjective sleep quality and next day fatigue, potentially because glycine lowers core body temperature during sleep. If you are a man who runs “hot” at night, wakes up unrefreshed, or feels flat the next day, glycine is a ...

Does testosterone increase metabolism in men?

Does testosterone increase metabolism in men?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 09, 2025 · 13 min read

In men with confirmed testosterone deficiency, testosterone replacement can modestly increase metabolic rate over 6 to 12 months, largely by adding lean muscle (which raises basal metabolic rate) and reducing visceral fat. The biggest payoff shows up when strength training, protein intake, and sleep are dialed in, and men with normal levels usually see little ...

What is a red light therapy hat? The science based way to use it for male pattern hair loss

What is a red light therapy hat? The science based way to use it for male pattern hair loss

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 08, 2025 · 15 min read

A red light therapy hat is a wearable cap or helmet that delivers low wavelength red light to your scalp to stimulate hair follicles in some men with male pattern hair loss. It can be a useful tool, but only when the diagnosis is right and the routine is consistent enough to match what clinical ...

Nature Made vs Centrum men’s 50+: What science shows

Nature Made vs Centrum men’s 50+: What science shows

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 08, 2025 · 16 min read

Nature Made Men’s Multivitamin 50+ and Centrum Men 50+ are broadly similar on core nutrients, and neither has evidence of superior clinical outcomes in generally healthy men. If you’re comparing Nature Made, Centrum, and One A Day men’s 50+ multivitamins, the best choice usually comes down to the exact product version and whether its vitamin ...

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