-
Telomeres and Aging: What the Science Really Says About Longevity
Telomeres—the protective caps on our chromosomes—are linked to aging and disease. Learn what they are, what shortens them, and whether you can actually influence their length.
-
Sarcopenia: How to Prevent Age-Related Muscle Loss
Sarcopenia—the loss of muscle with age—affects strength, independence, and lifespan. Learn how it develops, how to detect it, and the evidence-based strategies to prevent and reverse it.
-
The Hallmarks of Aging: The Biology Behind Getting Older
Aging isn’t one process—it’s many. Learn the hallmarks of aging, from genomic instability to cellular senescence, and what each means for staying healthier longer.
-
Autophagy: How Your Cells Recycle Damaged Parts to Stay Young
Autophagy is the body’s cellular recycling system—clearing damaged components and linked to longevity. Learn how it works, what activates it, and how to support it without extreme measures.
-
NAD+ and NMN Supplements: Can They Really Slow Aging?
NAD+ declines with age, and supplements like NMN and NR promise to restore it. Learn what NAD+ does, what the evidence shows, and whether these pricey supplements live up to the hype.
-
The Carnivore Diet: Separating Science From Social Media Hype
The carnivore diet—eating only animal foods—has exploded online. Learn what it involves, what the evidence says, potential risks, and how it compares to better-studied diets.
-
Meal Timing: Does When You Eat Matter as Much as What You Eat?
Chrononutrition—the science of when you eat—suggests meal timing affects metabolism, weight, and health. Learn what the evidence shows about breakfast, late eating, and time-restricted eating.
-
Potassium: The Essential Mineral Most People Don’t Get Enough Of
Potassium is critical for blood pressure, heart rhythm, and muscle function—yet most people fall short. Learn why potassium matters, how much you need, and the best food sources.
-
Collagen Supplements: Do They Actually Work? The Evidence
Collagen supplements are a billion-dollar industry, but does the science support the claims? Learn what collagen is, what studies show for skin, joints, and hair, and how to choose a quality product.
-
Ultra-Processed Foods: What the Science Says About Your Health Risks
Ultra-processed foods now make up more than half of calories in many diets. Learn what “ultra-processed” really means, what the evidence shows about health risks, and how to reduce them without extreme restriction.
healtha4@healthandvital.com