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Best Health Challenges Newsletters in 2026

NewsletterFIT tracks 4 newsletters that cover Health challenges as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are Change Cadet Action Network® (2K).

Updated Nov 15, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    Change Cadet Action Network®2K subscribers

    SubstackEvery two weeks · last post 23 days ago

    From recent posts: The author, a jewelry designer and co-owner of the Oakland Valkyries WNBA team, shares her busy October schedule, including a gastroparesis flare-up, while promoting her collaboration with Goldstories and encouraging re…

    Likely audience: Music fans

  2. 2
    Ron’s Ramblings—

    SubstackWeekly · last post 9 days ago

    A life reimagined: lessons learned, challenges embraced, and stories told from the best seat in the house ♿️.

    Likely audience: Marathon enthusiasts

  3. 3
    The Disabled Dad—

    SubstackWeekly · last post 7 days ago

    Stories about resilience, disability, fatherhood, and the ordinary courage of showing up.

    Likely audience: Parents dealing with childhood loss

  4. 4
    CTRL Signals by JP Bristol—

    SubstackMonthly or less · last post 22 days ago

    Helping Gen X figure out what comes next without blowing up the life you built.

    Likely audience: people struggling with addiction

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