immune system newsletters

NewsletterFIT tracks 3 newsletters that cover immune system as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Independent Medical Alliance (51K) and Why Does My Body Do That? (31K).

Updated Oct 31, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Independent Medical Alliance51K subscribers

    SubstackEvery two weeks · last post 16 days ago

    Likely audience: Health-conscious consumers

  2. 2
    Why Does My Body Do That? 31K subscribers

    SubstackEvery two weeks · last post 14 days ago

    Likely audience: health-conscious individuals

  3. 3
    Ask Dr. Max—

    SubstackMonthly or less · last post 21 days ago

    Likely audience: family medicine doctors

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