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  1. Coronavirus disease 2019 (COVID-19) - Symptoms and causes

    Coronavirus disease 2019 (COVID-19) is an illness caused by the virus SARS-CoV-2. Learn more about the symptoms, risks and ways to protect yourself.

  2. Calorie calculator - Mayo Clinic

    If you're pregnant or breast-feeding, are a competitive athlete, or have a metabolic disease, such as diabetes, the calorie calculator may overestimate or underestimate your actual calorie needs.

  3. Blood pressure chart: What your reading means - Mayo Clinic

    Feb 28, 2024 · A diagnosis of high blood pressure is usually based on the average of two or more readings taken on separate visits. The first time your blood pressure is checked, it should be …

  4. Blood sugar testing: Why, when and how - Mayo Clinic

    Jan 16, 2024 · Blood sugar testing: Why, when and how Blood sugar testing is an important part of diabetes care. Find out when to test your blood sugar, how to use a blood sugar meter and …

  5. Infant growth: What's normal? - Mayo Clinic

    Jan 11, 2023 · Infant growth rates depend on various factors. Consider what's typical during baby's first year.

  6. Water: How much should you drink every day? - Mayo Clinic

    Oct 12, 2022 · For your body to function properly, you must replenish its water supply by consuming beverages and foods that contain water. So how much fluid does the average, …

  7. Type 1 diabetes - Diagnosis and treatment - Mayo Clinic

    Mar 27, 2024 · If you're diagnosed with diabetes, your provider may also run blood tests. These will check for autoantibodies that are common in type 1 diabetes. The tests help your provider …

  8. Alzheimer's stages: How the disease progresses - Mayo Clinic

    May 9, 2025 · On average, people with Alzheimer's disease live between three and 11 years after diagnosis. But some live 20 years or more. How far the disease has advanced when …

  9. Erectile dysfunction - Symptoms and causes - Mayo Clinic

    Mar 1, 2025 · Having erection trouble from time to time isn't always a cause for concern. But if erectile dysfunction is ongoing, it can cause stress, affect self-confidence and add to …

  10. How many hours of sleep are enough? - Mayo Clinic

    Feb 1, 2025 · The amount of sleep you need depends on various factors — especially your age. While sleep needs vary significantly among individuals, consider these general guidelines for …