Reletter
Artwork for Inside Medicine

Inside Medicine

Jeremy Faust, MD, Katie Couric
Thousands of paid subscribers

Merging what I'm seeing in the ER with rigorous deep-dives on the very latest medical and public health data. I want you to know what really matters.

Platform
Substack
PricingFreemiumPublishesDaily
Issues833Founded4 years agoLast Issue4 days ago
Active

Read this Newsletter

insidemedicine.substack.com
Artwork for Inside Medicine

Latest Issues

CDC's new acting chief of staff is an RFK Jr. loyalist, insiders say. But she wasn't always seen that way.

A screenshot from the CDC’s leadership page, updated October 7, 2026.

The CDC has a new acting chief of staff, Dr. Mina Zadeh. On the surface, Dr. Zadeh is a career official who has served at the agency for years. According to the CDC’s we...

4 days ago
60
3

Sepsis research updates, 2026.

On Monday, I’m giving a lecture at the American College of Emergency Physicians annual meeting summarizing the most important infectious disease literature since last year’s meeting. This is the third time I’ve given this lecture, and I rea...

9 days ago
74
10

Covid-19 wastewater levels ain’t what they used to be. What does that mean?

Recently, the CDC changed its Covid-19 wastewater thresholds. Some wastewater levels that would previously have been classified as “high” are now “moderate,” while thresholds for “very high” levels actually decreased.

This kind of informa...

15 days ago
119
37

President Trump has another terrible idea about vaccines. My reaction…

Just a quick dispatch to share my CNN Newsroom appearance yesterday in which I discussed the measles outbreak with Fredricka Whitfield. The latest is that President Trump said he wants some childhood vaccinations to be broken up into five s...

22 days ago
135
9

What the CDC can learn from Pennsylvania about fighting measles.

From the Pennsylvania Department of Health’s information sheet on the current measles outbreak. Used with permission.

We have two updates regarding the measles outbreak in Pennsylvania, followed by deeper dives on them.

Update #1: Officia...

25 days ago
88
4

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for Inside Medicine.

SubscribersEngagement86Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

SEO Reach

Where Inside Medicine ranks on Google, and how much search traffic it brings in.

Ranked Keywords1.2kMonthly Search TrafficTop Keywords

Chart Rankings

How this newsletter ranks in the official Substack charts.

#12
Substack
/Science(Free)
#17
Substack
/Science(Paid)

Authors

The writers behind this newsletter.

  • Jeremy Faust, MD

    Jeremy Faust, MD, MS, is an emergency medicine physician and public health expert. Inside Medicine removes the barrier between doctors and patients, so that you know what's happening.

  • Katie Couric

    I’m a journalist always looking for a deeper understanding of the issues.

  • Frequently Asked Questions

    How can I access the email archive for Inside Medicine?

    You can find recent issues that have been published by Inside Medicine on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does Inside Medicine have?

    To see how many people subscribe to Inside Medicine, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in Inside Medicine?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch Inside Medicine as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like Inside Medicine?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact Inside Medicine using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to Inside Medicine?

    Scroll up to where it says Related Newsletters to see other publications like Inside Medicine. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact Inside Medicine?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.