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    Patrick Sullivan

    Patrick Sullivan

    Live Science contributor

    Patrick Sullivan has been a professional writer and editor since 2009 and producing health care content since 2015. Based in New Jersey, he is a father of two children and servant to an ever-changing number of pet rabbits. When he's not at his writing desk, you can usually find him on a yoga mat, a Brazilian jiu jitsu mat, or wandering through the woods.

    A woman with dark straight hair pulled back wearing navy blue scrubs and a stethascope taps on a glass panel lit up with various technological images
    AI-written code can beat humans at biomedical analysis, some studies find. What does that mean for the field?

    LLMs can accelerate medical research, scientists say, but they come with risks.

    health
    • 'Aging clocks' can predict your risk of disease and early death. Here's what to know.

      "Biological aging tests," also called aging clocks, can predict your risk of age-related disease, disability, early mortality and more — but are they ready for prime time?

      By Patrick Sullivan Published 29 August 25

      aging
    • Brain scans could reveal your true biological age

      A study suggests that a single brain MRI can be used to predict a person's rate of aging across their whole body, which researchers say could change how we predict and prevent chronic disease.

      By Patrick Sullivan Published 16 July 25

      2 Comments
      aging
    • Chemotherapy can make healthy blood cells 'look old'

      Researchers have identified ways in which chemotherapy can damage healthy cells and found that some drugs can add decades of "age" to otherwise normal blood cells.

      By Patrick Sullivan Published 1 July 25

      cancer
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