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2023年8月22日 · Sometimes an irregular heart rhythm, called an arrhythmia, causes palpitations. Atrial fibrillation, or AFib, happens when the heart's upper chambers, called the atria, flutter instead of beating...
2024年4月10日 · 8 min read. What Is Vitamin D Deficiency? A vitamin D deficiency means you don't have enough of this vitamin in your body. You need vitamin D to grow and maintain your bones.
WebMD's A to Z Drug Database provides information on prescription drugs, vitamins, and over-the-counter medications, including side effects and interactions.