Low Ferritin: Exhausted With a Normal Blood Test
Haemoglobin normal, iron stores empty. Why the standard test misses it, what to ask for instead, and the dosing schedule that absorbs better.
Journal: All PCOS and Hormone Articles
Everything published on Noura Theory, newest first — PCOS and hormones, gut health, sleep, stress and nutrition. Browse by theme under Topics, or start with the first eight weeks.
Apple Cider Vinegar for Blood Sugar: Does It Work?
A small real effect, dramatically oversold. The dose the trials used, the timing that matters, and three things that work better.
How Much Protein for PCOS? The Number, in Grams
The official minimum is a floor, not a target. What the research supports per kilogram, why distribution matters, and what 30g actually looks like.
Stress Cravings: Why Sugar Wins at Four in the Afternoon
Cortisol, ghrelin and a glucose dip walk into an afternoon. The physiology behind the craving, and the interventions that reduce it rather than resist it.
Non-Sleep Deep Rest: Does NSDR Actually Do Anything?
Twenty minutes lying down, no ability to fail at it. What the yoga nidra research supports, and which popular claim rests on eight people in 1997.
Cortisol Testing: Which Ones Are Worth Paying For
Blood, saliva, four-point curve or hair. Which cortisol tests mean something, which are sold to you, and what the result would change.
Caffeine Cut-Off Time: How Late Is Too Late?
Six hours before bed still costs you an hour of sleep, and most people do not notice it happening. Where to draw the line, and why yours may differ.
Waking Up Hot at Night: Five Causes Worth Checking
Not automatically menopause, and not automatically the heating. The cycle, the wine, the glucose dip and the duvet, in order of likelihood.
Orthosomnia: When Your Sleep Tracker Becomes the Problem
The number causing you the most distress is usually the least reliable one. How to use a sleep tracker without it running your mornings.
High DHEA-S With PCOS: Adrenal, Not Ovarian
Two androgens, two glands, two different plans. Why it matters which one your labs flagged, and the test that is commonly missed.
Short Luteal Phase: The Half of Your Cycle Nobody Checks
A normal-length cycle can hide an abnormally short second half. What causes it, why it matters beyond fertility, and how to get it properly tested.
Spearmint Tea for PCOS: What the Two Small Trials Found
Two randomised trials, two cups a day, and a real drop in free testosterone. What that does and does not mean for what you see in the mirror.