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How to improve VO2 max: the training that works, and how long it takes
September 24, 2026
What is a good VO2 max? What the number means, by age and sex
September 24, 2026
Welltory promo code: what the app costs, what stays free forever, and 20–36% off for readers
Blood pressure
September 24, 2026
Spoon theory explained: what the spoons really measure, and where the metaphor runs out
Energy-Limiting Conditions (ELC)
September 23, 2026
Body battery explained: what Garmin's score measures, and how to read your own energy
September 23, 2026
Is coffee good for gut health? What the research on coffee and your gut microbiome shows
Microbiome
September 23, 2026
Probiotics for gut health: do probiotics work, what's actually proven, and how to choose
Probiotics
September 23, 2026
How to improve gut health: what to eat for your microbiome, and what the evidence actually shows
Microbiome
September 23, 2026
What is the microbiome? A plain-English guide to how your gut microbiome works
Microbiome
September 23, 2026
Histamine intolerance treatment: diet, DAO, antihistamines, and fixing the gut
September 23, 2026
How chronic pain is treated: movement, mind–body skills, and why there's no single fix
September 23, 2026
Hypomania: how it differs from mania, and from simply feeling good
September 23, 2026
Blood oxygen level explained: what SpO2 and oxygen saturation mean
Blood Oxygen
September 23, 2026
Melatonin: why the dose matters less than the timing
Circadian rhythm
September 23, 2026
Heart arrhythmia and palpitations: what a racing, fluttering, or irregular heartbeat means — and when it's dangerous
September 23, 2026
Histamine intolerance symptoms: how it shows up across the body
September 23, 2026
What is histamine intolerance? Causes, the DAO enzyme, and how it differs from allergy
September 23, 2026
The low-histamine diet: foods to avoid, what to eat, and how long it takes to work
September 23, 2026
Adrenaline dumps in POTS: what the surge feels like, how long it lasts, and why the next day is worse
POTS & Dysautonomia
September 22, 2026
The pain scale everyone shares: what the McGill chart actually measures
September 22, 2026