Lifestyle & longevity | Veedma's evidence-based men's health articles

The science of caffeine free energy drinks: How to boost focus without the crash

Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist

Jan 10, 2026 · 11 min read

Caffeine-free energy drinks can boost focus without a “crash” by supporting real cellular energy—ATP production in the mitochondria (Krebs cycle) and oxygen/nutrient delivery—rather than blocking brain adenosine receptors, which masks fatigue while adenosine continues to accumulate. Here’s how ingredients like B-vitamins, amino acids, and electrolytes aim to power performance without triggering the cortisol-and-adrenaline stress spike. ...

Ultrahuman ring vs Oura: Which smart ring is worth it for men’s sleep and recovery?

Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert

Jan 09, 2026 · 11 min read

Smart rings promise better sleep, better training, and better energy. Here is what “ultrahuman ring vs oura” really means for men, what the data can and cannot tell you, and how to use either ring like a clinician would. “A smart ring can’t diagnose you, but it can help you spot patterns that matter: short ...

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

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

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

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 ...