most serotonin doesn’t come from your brain
Preview text: 4 inputs for mental health
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- Subject
- most serotonin doesn’t come from your brain
- Preview text
- 4 inputs for mental health
- From
- hello@
bryanjohnson.com - Brand
- Bryan Johnson
- ESP
- Klaviyo
- Sent
- Thu Aug 20, 2026, 2:11 PM ET
- Sent to
- handsonline.org
- Size
- 65 KB
- Images
- 14
- Links
- 20, 1 of them buttons
- Subject length
- 45 characters
Against Bryan Johnson's usual
Sent in the 2 PM hour, which holds 4% of its emails; 19% arrive in the 1 AM hour. The subject is 45 characters; its average is 25.
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- From
- Immortals (Blueprint) <[email protected]>
- Subject
- most serotonin doesn’t come from your brain
- Date
- Thu, 20 Aug 2026 18:11:06 +0000 (UTC)
- Message-ID domain
- geopod-ismtpd-20
- Return-Path domain
- mail.blueprint.bryanjohnson.com
- DKIM signature
- d=blueprint.bryanjohnson.com s=kl2
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- by recvd-…-q8c8s with SMTP
- from (unnamed) by geopod-ismtpd-20 with HTTP
Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID
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