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  1. WebMD is a trusted source of health and medical information, with expert reviews, community support, and educational services. Find a doctor near you or browse health news.

  2. 2024年4月11日 · If you have hyperthyroidism, it means your thyroid is overactive and produces too much of a hormone called thyroxine. Learn symptoms, causes, diagnosis, and treatment options.

  3. 2023年3月3日 · Normal: Lower than 80. Stage I: hypertension: 80-89. Stage II: hypertension: 90 or more. Hypertensive crisis: 120 or more. Call 911. Our chart below has more details. Even if your diastolic number ...

  4. 2021年11月1日 · Throbbing headache. Dizziness and light-headedness. Lack of sweating despite the heat. Red, hot, and dry skin. Muscle weakness or cramps. Nausea and vomiting. Rapid heartbeat, which may be either ...

    • Overview
    • Symptoms
    • Causes

    Bulimia nervosa, also called bulimia, is a psychological eating disorder that is characterized by episodes of binge eating (consuming a large quantity of food in one sitting). That's accompanied by no sense of control over eating behavior and followed by inappropriate methods for trying to lose weight, such as vomiting, fasting, enemas, excessive u...

    Bulimia tends to develop late in childhood or in early adulthood. It affects females more often than males. People with bulimia often perform the behaviors in secret, feeling disgusted and ashamed when they binge, yet relieved once they purge. People with bulimia usually weigh within the normal range for their age and height. However, they may fear...

    The exact cause of bulimia is not known, but research suggests that a combination of certain personality traits, emotions, and thinking patterns, as well as biological and environmental factors might be responsible. Researchers also believe that this eating disorder may begin with a dissatisfaction of the person's body and extreme concern with body...

  5. 2023年8月17日 · Low blood pressure, also known as hypotension, can cause dizziness, fainting, and fatigue. Discover the causes, symptoms, and treatment options in this comprehensive guide.

  6. 2023年6月30日 · Swelling. Stiffness in the knee, especially in the morning or when you have been sitting for a while. Less mobility of the knee, making it hard to get in and out of chairs or cars, use the stairs ...