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

Gut health and weight loss: The science behind why some men struggle to lean out

Gut health and weight loss: The science behind why some men struggle to lean out

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Jan 09, 2026 · 10 min read

Lower gut microbiome diversity and certain microbiota patterns (including a higher Firmicutes-to-Bacteroidetes ratio in some studies) are associated with increased “energy harvest” from food and altered metabolite-driven appetite and metabolic signaling, which can make fat loss harder even when calories are similar. Here’s how the gut–metabolism connection shows up in real life and what to ...

Can you chew gum while fasting? What it means for ketosis and autophagy

Can you chew gum while fasting? What it means for ketosis and autophagy

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Jan 08, 2026 · 9 min read

Sugar-free gum is usually compatible with a ketosis-focused fast because one piece is typically a negligible caloric input (often kept under ~30 calories total during the fasting window), but any calorie- or sugar-containing gum can blunt a stricter fast aimed at autophagy, where the safest approach is staying truly calorie-free. The key is how many ...

9 foods that fight hot flashes: A tactical guide for men

9 foods that fight hot flashes: A tactical guide for men

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Jan 07, 2026 · 11 min read

In men with severe hypogonadism or on androgen deprivation therapy, hot flashes occur when falling testosterone disrupts the hypothalamic “set point,” triggering norepinephrine surges that drive rapid skin vasodilation and sweating—pathways diet can help calm by reducing neuro-inflammation and autonomic stress. If you’re among the up to 80% of men on ADT who experience these ...

Mediterranean diet snacks to optimize testosterone and heart health in men

Mediterranean diet snacks to optimize testosterone and heart health in men

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Jan 07, 2026 · 9 min read

Mediterranean-style snacks built around monounsaturated fats, polyphenols, and protein (such as walnuts, olives, and plain Greek yogurt) can support testosterone and heart health in men by preventing sharp post-snack glucose/insulin spikes and lowering chronic inflammation that suppresses testosterone production and damages endothelial function. Here’s how to use between-meal “fuel” to keep energy steady while protecting ...

Sea moss benefits for men: Fact checking the fertility superfood

Sea moss benefits for men: Fact checking the fertility superfood

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Jan 06, 2026 · 9 min read

Sea moss does not have solid clinical evidence showing it directly boosts testosterone or male fertility, but its high iodine content can support thyroid hormone production (T4/T3), which indirectly affects energy and libido when a deficiency is present. Here’s what the data actually supports—and where the “fertility superfood” marketing goes beyond the science. “Sea moss ...

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