This showed up in brain scans unexpectedly
Preview text: It may start in the mouth.
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- Subject
- This showed up in brain scans unexpectedly
- Preview text
- It may start in the mouth.
- From
- hello@
feno.co - Brand
- Feno
- ESP
- Klaviyo
- Sent
- Wed Mar 18, 2026, 1:09 PM ET
- Size
- 58 KB
- Images
- 8
- Links
- 11, 6 of them buttons
- Subject length
- 42 characters
Against Feno's usual
Sent in the 1 PM hour, which holds 9% of its emails; 12% arrive in the 3 PM hour. The subject is 42 characters; its average is 37.
Sent just before and after
| Mar 22, 2026 1:52 PM | This overlooked trigger keeps showing up in migraines | |
| Mar 20, 2026 1:12 PM | PTSD may be showing up in your mouth | |
| Mar 19, 2026 3:44 AM | ⏳ Don’t Lose Your Reserved Smartbrush | |
| Mar 18, 2026 1:09 PM | This showed up in brain scans unexpectedly (this email) | |
| Mar 18, 2026 3:43 AM | Why 10,000+ switched to Feno—before it sells out | |
| Mar 17, 2026 3:43 AM | Everyone’s claiming theirs... have you? | |
| Mar 16, 2026 3:44 AM | Don't forget about your next favorite toothbrush |
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