The Skeptical Cardiologist

@theskepticalcardiologist · The Skeptical Cardiologist · Substack profile · Science

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The Skeptical Cardiologist has 19,906 followers on Substack as of Nov 1, 2026. On the latest board read, Oct 31, 2026, they were #42 on Substack's Science Bestsellers board. 53 publications recommend them, 6 of them new in the last 30 days, and they recommend 20.

Followers read · Boards read

Last read Nov 1, 2026 (UTC). Followers are not email subscribers. Substack lists only the newest 50 recommendations for each publication, so a recommender count of 50 or more is a floor. History starts Oct 31, 2026; Substack publishes nothing earlier.

Followers
19,906
read Nov 1
Last 7 days
first number on Nov 7
Last 30 days
first number on Nov 30
Subscribers
15K+
rounded by Substack
Paid subscribers
100+
bestseller badge 100+
Recommended by
53
+6 in 30 days
Recommends
20
Bestsellers rank
#42
Science

Followers by day

Tracking since Oct 31, 2026. 2 days of readings. Substack doesn't publish past follower counts, so history starts the day I first read a writer and grows by one reading every 3 days (daily if it's on your watchlist). The 7-day change appears on Nov 7, the 30-day change on Nov 30. Recommendation dates below go further back: they're Substack's own.

19,40019,60019,80020,00020,20020,400 Oct 31Nov 2Nov 4Nov 6Nov 8Nov 10Nov 12 12 more days to fill this frame 19,906
19,40019,60019,80020,00020,20020,400 Oct 31Nov 4Nov 8 8 more days to fill this frame 19,906
One reading a day, the last of the day. Marked: leaderboard steps (into the top 25, top 10, or #1). Followers are people who follow The Skeptical Cardiologist on Substack; they aren't email subscribers.
Show as a table
Daily readings
DateFollowersChangeSubscribersPaid band
Nov 1, 202619,906+4315K+
Oct 31, 202619,86315K+

Leaderboard positions

BoardRank nowBest on recordReads on it
Science Bestsellers#42#424 of 4

Rank on each read

Rank on each read of each board. Each cell is the leaderboard rank; empty means not in the top 100.
WriterOct 3107:00Oct 3113:00Oct 3119:47Nov 621:50Move
Science Bestsellers424242420

I read every board once a day.

Recommendations

53 publications recommend The Skeptical Cardiologist; 6 started in the last 30 days. The Skeptical Cardiologist recommends 20, and 4 of those recommend back. Lists read Oct 31.

Recommend The Skeptical Cardiol… The Skeptical Cardiol… recommends John Mandrola116k followers · mutualHoward Luks MD37k followersRyan McCormick, M.D.17k followers · mutualUnscriptednot trackedMay's Substacknot trackedAxel F Sigurdsson MD, PhDnot tracked · mutualPreston's Substacknot trackedThomas Nero MDnot trackedWrennot tracked Dr. Jen Gunter175k followersJeremy Faust, MD149k followersJohn Mandrola116k followers · mutualAdam Cifu, MD109k followersDr. Andrea Love68k followersHealth Nerd59k followersColin Meloy41k followersBeth Bollinger29k followersRyan McCormick, M.D.17k followers · mutual The Skeptical Cardiologist 20k followers
The 9 largest publications on each side, by followers. Bigger dot, more followers. Orange: started in the last 30 days. Gray dots: publications I don't track, so no follower count.

When the recommendations started

Nov 22MayNovMayNovMayNovMayNov
Live recommendations by the month each began, using Substack's own start date. Removed ones aren't listed by Substack, so they don't appear. Substack shows only the 50 newest recommenders, so before Jul 2025 (outlined) I see only those from the 6,392 publications whose full lists I read.
Show as a table
Recommendations started per month
MonthStarted
2022-111
2024-041
2025-031
2025-071
2025-081
2025-101
2025-118
2025-123
2026-012
2026-024
2026-035
2026-044
2026-056
2026-064
2026-072
2026-081
2026-091
2026-107

Recommended by

  • John Mandrola116k followers · started Nov 2022 · mutual
  • Howard Luks MD37k followers · started Feb 4, 2026
  • Ryan McCormick, M.D.17k followers · started Apr 2024 · mutual
  • Unscriptedstarted Oct 28, 2026new
  • May's Substackstarted Oct 23, 2026new
  • Axel F Sigurdsson MD, PhDstarted Oct 19, 2026 · mutualnew
  • Preston's Substackstarted Oct 18, 2026new
  • Thomas Nero MDstarted Oct 12, 2026new
  • Wrenstarted Oct 11, 2026new
  • Sci AIstarted Oct 5, 2026
  • Brendan's Substackstarted Sep 12, 2026
  • richard johnsonstarted Aug 26, 2026
  • IDGuystarted Jul 24, 2026
  • Ann Lebeck, MDstarted Jul 21, 2026
  • Calibrated Signalstarted Jun 28, 2026
  • Art of Anesthesiastarted Jun 14, 2026
  • Diabetes Game Changer: The Science of Reversing Prediabetesstarted Jun 12, 2026
  • Data Dosingstarted Jun 9, 2026
  • Fast Track Femmestarted May 17, 2026
  • WRIGGLING FREEstarted May 16, 2026
  • eXPCS の Substackstarted May 3, 2026
  • William's Substackstarted May 3, 2026
  • Ed DeFreitasstarted May 2, 2026
  • Magic Loves the Hungrystarted May 1, 2026
All 53
  • JAN's Substackstarted Apr 28, 2026
  • JoAnna's Substackstarted Apr 24, 2026
  • Sally's Substackstarted Apr 19, 2026
  • Gut Judgementstarted Apr 11, 2026
  • Substack de Isaacstarted Mar 28, 2026
  • Giovanni Baiocchistarted Mar 22, 2026
  • Edward's Substackstarted Mar 7, 2026
  • Foundational Health & Performance by Dr Ran Crookestarted Mar 7, 2026
  • Joanna's Substackstarted Mar 5, 2026
  • Rick Nancestarted Feb 18, 2026
  • Science Rabbitstarted Feb 9, 2026 · mutual
  • Jen's Substackstarted Feb 3, 2026
  • Jim's Substackstarted Jan 18, 2026
  • Marlene's Substackstarted Jan 17, 2026
  • Anesthesia Thoughtsstarted Dec 24, 2025
  • The Weekly Sprinklestarted Dec 17, 2025
  • Drea's Couch started Dec 1, 2025
  • john's Substackstarted Nov 25, 2025
  • Aprilstarted Nov 21, 2025
  • Jane's Substackstarted Nov 18, 2025
  • Scott's Substackstarted Nov 17, 2025
  • Integrity Lensstarted Nov 17, 2025
  • Dominikastarted Nov 14, 2025
  • AnonCstarted Nov 2025
  • Robbie's Substackstarted Nov 2025
  • Susan’s Substackstarted Oct 2025
  • Vickie’s Substackstarted Aug 2025
  • Sophia’s Substackstarted Jul 2025
  • Don Walzstarted Mar 2025

Recommends

  • Dr. Jen Gunter175k followers · started Sep 2025
  • Jeremy Faust, MD149k followers · started Sep 2023
  • John Mandrola116k followers · started Nov 2022 · mutual
  • Adam Cifu, MD109k followers · started Nov 30, 2025
  • Dr. Andrea Love68k followers · started Apr 2024
  • Health Nerd59k followers · started Sep 2023
  • Colin Meloy41k followers · started Sep 2023
  • Beth Bollinger29k followers · started Apr 8, 2026
  • Ryan McCormick, M.D.17k followers · started Apr 2024 · mutual
  • Axel F Sigurdsson MD, PhDstarted Sep 14, 2026 · mutual
  • Dr. Christin Glorioso, MD PhDstarted Jul 19, 2026
  • The Munro Reportstarted Jun 24, 2026
  • New Directions In Music started Mar 31, 2026
  • Hussein N. Yassinestarted Mar 30, 2026
  • Science Rabbitstarted Feb 8, 2026 · mutual
  • Robyn Hitchcockstarted Apr 2025
  • Cardiology Trial’s Substackstarted Jun 2024
  • The Science Fictions Podcaststarted Apr 2024
  • Beyond the Noisestarted Apr 2024
  • Marshall Allen Projectstarted Jan 2024

Substack lists the 50 newest recommenders of each publication. I add every recommendation found in the full lists of the 6,392 publications I read, so writers with many recommenders may still be missing a few small ones. "Started" is Substack's date.

Who recommends writers like this one

Publications that recommend at least two other Science writers with 10,000 to 50,000 followers (68 writers in that group), but not The Skeptical Cardiologist.

  • You know, Cannot Name It
    recommends 7 of them
  • Weekly Review of Public Scholarship
    recommends 4 of them
  • Colin Wright@colinwright
    recommends 3 of them
  • Dan Williams@conspicuouscognition
    recommends 3 of them
  • Cremieux@cremieux
    recommends 3 of them
  • Steve Stewart-Williams@stevestewartwilliams
    recommends 3 of them
  • recommends 3 of them
  • Devin Teichrow@theedgeofepidemiology
    recommends 3 of them
  • Denis Kristan
    recommends 3 of them
  • Le Substack de Michel
    recommends 3 of them

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