Lung physiology equals salt plus water
Investor Due Diligence Report
by Lung physiology equals salt plus water
substackHealth
Health has rested on its assumptions with impunity, let’s change that ….
6K
600 paid
N/A
Pricing
$5/mo
$60/yr annual option
$3K
600 paid subs
$3K/mo – $3K/mo(±0%)
Unknown
0.0 posts/week
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| The Microdose | 89K | N/A | Free | substack |
| The Art of Enchantment, with Dr Sharon Blackie | 60K | N/A | $7/mo | substack |
| The Allison Bornstein Newsletter | 57K | N/A | $9/mo | substack |
| Brain Health Kitchen | 44K | N/A | $20/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Mar 2026 | 6K | $2,700 | — |
Revenue tracking starts with your first month of data. More data points will appear as snapshots accumulate.
Platform Dependency
Hosted on substack subdomain
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
6K subscribers — above the 1K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
61% of 69 similar-size peers in Health have paid tiers
Pricing position
$5/mo vs $5/mo category median (573 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $5 | $60 |
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
| Paid Subscriber Ratio |
| 90/100 |
| 25% |
| Bienestar y Salud Mag | 29K | N/A | Free | substack |