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Reference
Protocol Glossary
Science-backed definitions for every term in your health data: plain English and the mechanism behind it.
Hormones
Cortisol
Your body's primary stress hormone: essential in the short term, destructive in excess
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Adenosine
The molecule that makes you sleepy: what caffeine is actually blocking
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BDNF (Brain-Derived Neurotrophic Factor)
The protein that grows your brain, most powerfully triggered by exercise
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Melatonin
The darkness hormone that tells your body when to sleep
→ Read definitionMore terms added regularly. Check back for new entries across all categories.
