Blog
How to keep a symptom diary that actually finds your triggers
Memory is a bad judge of weather triggers. Here's how to log symptoms so statistics — not vibes — can tell you what's actually a pattern in your own data.
Why joints ache before rain: what the research actually shows
Do joints really flare up before it rains? An honest look at genuinely conflicting studies, the proposed mechanisms, and what to do instead of trusting memory alone.
HRV explained: what heart rate variability is and why it matters
What heart rate variability actually measures, what makes it rise and fall, how accurately a wearable like Apple Watch estimates it, and why your own trend matters more than any single number.
Heat, humidity, and fatigue: how weather drains your energy
Why humid heat feels more draining than dry heat: the thermoregulation mechanism behind it, what research shows about performance and sleep, and why the threshold is personal.
Geomagnetic storms and wellbeing: what's real and what's myth
Do magnetic storms really affect how you feel? A skeptical, evidence-first look at the cardiovascular research, why the studies are so hard to trust, and why belief runs so far ahead of data.
Barometric pressure and headache: mechanism and what to do
Does a drop in barometric pressure trigger headaches? A calm look at the evidence, the proposed mechanisms, why it is so individual — and what actually helps.
Weather sensitivity: what the science actually says
Does weather really affect how you feel? A calm look at the evidence on barometric pressure, headaches, joints and sleep — and how to find your own pattern.