Nutrition & Diet
The science of what we eat — macronutrients, the gut microbiome, sugar metabolism, and evidence-based dietary guidance.
10 articles
How Sugar Affects the Body: Metabolism, Health Effects, and the Science of Sweet
A comprehensive, evidence-based explanation of how different types of sugar are metabolized, their short- and long-term effects on health, the distinction between natural and added sugars, and what the research says about sugar consumption.
Protein Explained: Functions, Requirements, Sources, and the Science of Dietary Protein
A comprehensive, evidence-based guide to protein — its biological functions, how the body uses it, daily requirements for different populations, the best dietary sources, protein quality metrics, and the science behind protein timing.
The Gut Microbiome Explained: What It Is, Why It Matters, and How to Support It
A comprehensive, research-based overview of the human gut microbiome — its composition, the trillions of microorganisms it contains, its roles in digestion, immunity, and mental health, and evidence-based strategies for maintaining a healthy microbiome.
How Vitamins and Minerals Work: Functions, Deficiencies, and Daily Requirements
A comprehensive, evidence-based guide to vitamins and minerals — what they are, their biological functions, recommended daily intakes, deficiency diseases, and the evidence on supplementation.
The Science of Hydration: How Water Works in the Body and How Much You Actually Need
A comprehensive, evidence-based guide to hydration — how water functions in the body, how much you actually need, the signs of dehydration, the myth of '8 glasses a day', electrolytes, and what the science says about sports hydration.
Intermittent Fasting Explained: Methods, Health Effects, and What the Research Shows
An evidence-based guide to intermittent fasting — what it is, the most common protocols (16:8, 5:2, eat-stop-eat), proven health effects, potential risks, and who should avoid it.
Omega-3 Fatty Acids Explained: Types, Health Benefits, and Best Sources
A science-based guide to omega-3 fatty acids — the different types (ALA, EPA, DHA), their roles in heart health, brain function, and inflammation, and the best dietary sources and supplement options.
The Science of Caloric Restriction: Longevity and Health
An evidence-based guide to caloric restriction — how reducing calorie intake affects aging, metabolism, cellular repair, and lifespan across species.
How Caffeine Affects the Body: Mechanisms and Health Effects
An evidence-based guide to caffeine — how it blocks adenosine receptors, affects alertness, metabolism, sleep, and cardiovascular health across doses.
What Are Antioxidants and How Do They Work
A science-based guide to antioxidants — how they neutralize free radicals, their role in disease prevention, dietary sources, and supplement evidence.