Sarah Chen writes about the parts of health that live in daily habits: stress and burnout, sleep, movement, and the body changes that come with age, from perimenopause to stiff joints. The focus is on what actually helps, at a scale people can fit into an ordinary week.
Sarah isn’t a clinician, therapist or personal trainer, and doesn’t write as one. Each article starts from the research and from guidance published by health authorities, and sticks to what that evidence supports. Sources are linked in every piece, so you can check them yourself.
You can run low on iron long before a routine blood count shows anemia. Here's what ferritin measures, why women are most at risk, and what to ask for when fatigue won't lift.
As the days shorten, some people's mood drops with the light. Here's how seasonal affective disorder differs from the winter blues, how light boxes are meant to be used, and who should check with a doctor first.
When your nervous system is stuck in overdrive, these five simple, medication-free techniques can help flip the switch back toward calm.
The 10,000-step goal came from a marketing campaign, not a lab. Here's what the research shows about how many daily steps meaningfully improve your health.
Perimenopause isn't a single event but a hormonal transition that can run most of a decade. Here's what's actually happening in the body, symptom by symptom, and what official guidance says about it.
Stiff knees, achy hips and sore hands often feel like a reason to sit still, but low-impact movement is usually what helps most.
No gym, no problem. A realistic weekly plan you can actually stick to long-term.
Simple, evidence-based daily habits, from sleep and movement to nutrition and stress management, that meaningfully support your immune system over time.
Small changes to your evening routine that can meaningfully improve sleep quality.
A short, guided breathing exercise you can do anywhere to calm your nervous system in under five minutes.
Warning signs to watch for before exhaustion becomes chronic, and what helps.