Newsletter Insights — independent newsletter & sponsorship data across 42K+ newsletters
Browse all →
Peter R. Breggin,MD is known as the “Conscience of Psychiatry for 60+ years reform work. He and Ginger Ross Breggin are the authors of the bestselling book COVID-19 and the Global Predators: We are the Prey--over 170,000 copies sold.
Enter your email and we'll send your inquiry to the Newsletter Insights team.
Tell us your brand and audience. We send back 10-15 newsletters matched to your brief, with sponsor history and CPM ranges per placement.
$300·2-3 working days·refunded if we can't deliver
See what's includedBreggin Alerts! Exposing Global Predators's metrics, benchmarks, and sponsor data in one document
57K
Top 25% in Politics
substack
Politics
0.20%· ~113/post
(comments + likes) / subscribers
vs 0.00% category avg
Weekly
1.2 posts/week avg
vs 1.8/week category avg
$8/mo
Category avg: $6.5/mo
622
newsletters in Politics
Top 25% in Politics
out of 622 newslettersPublishing Frequency
Weekly
Last published Oct 12, 2026
Usually publishes Thu
1.2 posts/week avg