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  1. 2023年9月19日 · What Is Angina? Angina is chest pain that happens because there isn't enough blood going to part of your heart. It can feel like a heart attack, with pressure or squeezing in your chest. It's...

  2. 2022年12月8日 · Vertigo is a sensation of feeling off balance. If you have these dizzy spells, you might feel like you are spinning or that the world around you is spinning. Causes of Vertigo. Vertigo is often...

  3. 2024年3月3日 · What Is a Heart Rate? Your heart rate is the number of times your heart beats in 1 minute. Heart rates vary from person to person. It’s lower when you’re at rest and higher when you exercise....

  4. 2024年2月11日 · What Is an Electrocardiogram? An electrocardiogram, also called an ECG or EKG, is a simple and painless test that measures the electrical impulses of your heart to check for signs of heart disease....

  5. 2023年9月21日 · 19 min read. What Is a Heart Attack? A heart attack happens when something blocks the blood flow to your heart so it can’t get the oxygen it needs. It’s a medical emergency. Call 911 right away at...

  6. 2024年3月7日 · Disorders of the endocrine system happen if your hormone levels are too high or too low, or if your body doesn't respond to hormones in the expected way. You may develop diabetes, thyroid disease...

  7. 2022年6月29日 · Daily health news from WebMD's team of award-winning journalists. WebMD is the destination for trustworthy and timely medical and health news and information.

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