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Platform Portability
Uses Substack subdomain (erictopol.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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Facts, data and analytics about biomedical matters.
Data updated Yesterday
Avg Comments
7.5
Avg Likes
237.6
Engagement Rate
0.11%· ~245 likes + comments/post
(comments + likes) / subscribers
Typical for lists with 216K+ subscribers
Quality Score
Engagement vs Health
0.11% engagement rate
Score Breakdown
Engagement Score
| Public |
| Michael Lewis: The NIH “Murder Mystery,” DOGE, and Our Government Immune SystemOur conversation on his new book BLOCKERSOct 6, 2026 | Public |
| Loss of Cell Identity Drives Human AgingThat’s What Biological (Epigenetic) Aging Clocks Are MeasuringSep 30, 2026 | Public |
| The Big Holes in Wearable Heart Rate Variability And Readiness ScoresA Gaping Lack of Evidence for Health BenefitsSep 19, 2026 | Public |
| Marios Georgakis: Why Did Two Major Clinical Trials for Heart Disease Fail?A conversation with Prof Marios GeorgakisSep 14, 2026 | Public |
| The Coronary Artery Inflammation ControversyHow Two Large Outcome Trials Based on Surrogate Metrics FailedSep 5, 2026 | Public |
| Two Landmark Studies Challenge Dogma About our Brain Immune Cells and AgingLead Authors Julia Belk and Nathan Zemke Discuss and Translate their FindingsAug 30, 2026 | Public |
| Deborah Cohen: The Wellness-Industrial ComplexThe Sick Until Proven Healthy TrapAug 23, 2026 | Public |
| Why Our Memory Slips After Age 50Landmark independent studies challenge longstanding dogma for brain agingAug 12, 2026 | Public |
| Sarah Urbut: Predicting Your Health ArcWatch now (54 mins) | Sarah Urbut MD, PhD Takes Us Through Her Landmark Nature PaperAug 4, 2026 | Public |
vs 137 newsletters in Health
216K places you in the top 10% of newsletters in this category.
Posts per Week
0.9
median: 1.0
Publishing Consistency
78/100
median: 69/100
Subscribers
216K
median: 1K
Here's what we know about this newsletter's activity:
Publishing Pace
Weekly
Consistent
Category Rank
#6 of 490
in Health
Engagement Trend
Declining
based on recent posts
Publishing Frequency
Weekly
Last published Oct 11, 2026
0.9 posts/week avg
Health Pricing
$5/mo median
Above average(+60%)
Monetization Readiness
Already monetizing
Unlock revenue estimates, CPM benchmarks, and detected sponsors
Start tracking — freePriced at $8/mo, 60% above the Health median of $5/mo.
12.9K paid
Paid Subscriber Retention
+0.5%
net growth
Track revenue changes over time
Start tracking — freeTrack CPM rates as they change
Start tracking — freeSubscriber count is a platform estimate — actual growth not reflected in chart

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