Field Notes
The Wellcube Journal.
Monthly dispatches from our clinicians — diagnostics, research, and one practice you can try this week. Never marketing.
More from the team
Panchakarma in the modern body — what changes after seven days
Panchakarma is 3,000 years old. The body it was designed for ate seasonally and slept by the sun. Here is how we adapt the protocol — and what we measure to prove it works.
Dr. Anand Iyer · 6 min
Why chronobiology beats melatonin every time
Melatonin doesn't make you sleep — it tells your body it's night. Here's why the lighting in your living room matters more than the supplement on your nightstand.
Maya El-Sayed · 5 min
HBOT for chronic pain: the clinical case in 2026
Hyperbaric oxygen is no longer fringe. The 2025 Tel Aviv data on fibromyalgia and long-COVID rewrote the conversation. Here's how we use it.
James Okafor · 7 min
Perimenopause is a diagnostic event, not a milestone
By the time symptoms are 'classic', the underlying hormonal shift has been happening for 5 — 10 years. Earlier mapping changes outcomes.
Dr. Layla Haddad · 9 min
What a CGM taught 200 guests about breakfast
We ran continuous glucose monitors on 200 guests across six months. Three things broke our assumptions about what 'healthy' breakfasts look like.
Maya El-Sayed · 6 min
VO₂ max is the lever you've been ignoring
Of all the longevity biomarkers, VO₂ max has the strongest mortality data. And almost no one over 35 is training to move it.
James Okafor · 5 min
Your anxiety might be a vagus-nerve problem
Vagal tone is measurable, trainable, and dramatically under-discussed in mental-health treatment. Here is what we measure and what we do.
Dr. Layla Haddad · 6 min
An honest review of every sleep tracker we've tested
Oura, Whoop, Apple Watch, 8Sleep, polysomnography. What's accurate, what's marketing, and what's good enough.
Maya El-Sayed · 8 min
Why almost everyone over 30 should take creatine
Strongest evidence base of any supplement. And it's not about muscle.
Dr. Layla Haddad · 4 min
Are biological age tests real? A short, honest answer
The methylation panels behind your 'biological age' result are genuine science. The number on the report is half marketing.
Dr. Anand Iyer · 5 min
Your dosha, modernised: how we map constitution today
We still take Ayurvedic constitution seriously. We also pair it with bloodwork. Both matter.
Dr. Anand Iyer · 6 min