Alice Callahan

Alice Callahan is a health and science writer based in Eugene, Oregon. She has a PhD in nutrition and is the author of The Science of Mom: A Research-Based Guide to Your Baby’s First Year.
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  • What Your Cholesterol Numbers Really Mean

    What Your Cholesterol Numbers Really Mean

    Alice Callahan

    4

    LDL used to be the “bad cholesterol” and HDL the “good cholesterol.” That’s the tidy story I learned in my grad school lipids class 13 years ago, but the science has evolved since then. High HDL is no longer automatically good, for example. Let’s take a look at what your cholesterol numbers really mean.