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1. www.webmd.com › back-pain › understanding-back-pain-basicsUpper & Middle Back Pain: Symptoms, Causes, & Risk ...

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   2024年2月18日 · Causes. We often bring on our back problems through bad habits, such as: Poor posture, like sitting incorrectly at a desk or behind the steering wheel. Repeating the same motion or overdoing it....

2. www.webmd.comWebMD - Better information. Better health.

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   The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award ...

3. www.webmd.com › back-pain › low-back-strainLow Back Strain Causes, Treatments, Exercises, Prevention - WebMD

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   2023年6月5日 · Low Back Strain. Medically Reviewed by Tyler Wheeler, MD on June 05, 2023. Written by WebMD Editorial Contributors. What Does Low Back Strain Feel Like? What's the Treatment for Low Back...

4. www.webmd.com › allergies › allergy-symptomsAllergy Symptoms: Signs, Symptoms, and Treatment - WebMD

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   2023年11月20日 · An allergen is a substance that triggers an allergic reaction. The most common allergens include: Dust. Cockroaches. Pet dander, as well as pet fur, pee, and spit. Mold. Pollen. Some foods,...

5. www.webmd.com › brain › understanding-fainting-basicsFainting and Passing Out: What It Feels Like and What Causes ...

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   • Overview
   • Causes
   • Prognosis
   • Epidemiology

   Fainting, also called syncope (pronounced SIN-ko-pee), is a sudden, brief loss of consciousness and posture caused by decreased blood flow to the brain.

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   Many different conditions can cause fainting. These include heart problems such as irregular heart beats, seizures, low blood sugar (hypoglycemia), anemia (a deficiency in healthy oxygen carrying cells), and problems with how the nervous system (the body's system of nerves) regulates blood pressure. Some types of fainting seem to run in families. F...

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   While fainting may indicate a particular medical condition, sometimes it may occur in an otherwise healthy individual. Fainting is a particular problem for the elderly who may suffer serious injuries from falls when they faint. Most episodes are very brief. In most cases, the individual who has fainted regains complete consciousness within just a f...

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   Fainting is a common problem, accounting for 3% of emergency room visits and 6% of hospital admissions. It can happen in otherwise healthy people. A person may feel faint and lightheaded (presyncope) or lose consciousness (syncope).

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6. www.webmd.com › brain › vertigo-symptoms-causes-treatmentVertigo: Causes, Symptoms, and Treatment - WebMD

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   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...

7. www.webmd.com › brain › vestibular-disorders-factsVestibular Disorders: Symptoms, Causes and Treatments - ...

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   2023年12月20日 · What Is a Vestibular Disorder? A vestibular disorder occurs when a disease, condition, or injury interferes with your body's balance system. A link between your inner ear and your brain helps you...