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  1. www.webmd.com › sex › birth-controlPlan B (Morning-After Pill): Effectiveness and Side Effects

    2023年3月12日 · Sexual Health. Birth Control Guide. Levonorgestrel Emergency Contraception: Plan B. Medically Reviewed by Murtaza Cassoobhoy, MD on March 12, 2023. Written by Annie Stuart. What’s Plan B One-Step?...

  2. www.webmd.com › balance › features9 Ways to Combat Fatigue and Get Your Energy Back - WebMD

    2023年12月27日 · Health & Balance Guide. 9 Ways to Get Your Energy Back. Running on fumes? Here's how to stop feeling so tired all the time. Medically Reviewed by Melinda Ratini, MS, DO on December 27, 2023....

  3. www.webmd.com › back-pain › back-pain-spinal-mriThoracic MRI of the Spine: Purpose, Procedure, Results - WebMD

    2022年8月23日 · 6 min read. What Is a Spinal MRI? A spinal MRI, or magnetic resonance imaging, uses powerful magnets, radio waves, and a computer to make clear, detailed pictures of your spine. You may need...