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  1. Medical Diseases & Conditions - Mayo Clinic

    Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic.

  2. Symptom Checker - Mayo Clinic

    Find possible causes of symptoms in children and adults. See our Symptom Checker.

  3. Obesity - Symptoms and causes - Mayo Clinic

    Dec 2, 2025 · Overview Obesity is a complex disease involving having too much body fat. You might think of obesity as a cosmetic concern. But it's a medical condition that increases the …

  4. Chronic stress puts your health at risk - Mayo Clinic

    Aug 1, 2023 · This puts you at higher risk of many health problems, including: Anxiety. Depression. Digestive problems. Headaches. Muscle tension and pain. Heart disease, heart …

  5. Bad breath - Symptoms and causes - Mayo Clinic

    Dec 21, 2023 · Certain foods, health conditions and habits are among the causes of bad breath. In many cases, you can make bad breath better by keeping your mouth and teeth clean. If you …

  6. COVID-19: Who's at higher risk of serious symptoms?

    Apr 30, 2024 · Advanced age and some health conditions can raise the risk of serious COVID-19 (coronavirus disease 2019) illness.

  7. Long COVID: Lasting effects of COVID-19 - Mayo Clinic

    Aug 23, 2024 · COVID-19 can have lasting symptoms that affect many parts of the body. Learn more about the symptoms and effects of long COVID.

  8. Factitious disorder - Symptoms and causes - Mayo Clinic

    Dec 18, 2024 · Factitious disorder symptoms can range from mild to severe. People may make up symptoms or even tamper with medical tests to convince others that they need treatment, …

  9. Aging: What to expect - Mayo Clinic

    Nov 1, 2024 · You know that aging likely will cause wrinkles and gray hair. But do you know how getting older will affect your teeth, heart and sexuality? Find out what changes to expect as …

  10. Somatic symptom disorder - Symptoms and causes - Mayo Clinic

    May 8, 2018 · Because physical symptoms can be related to medical problems, it's important to be evaluated by your primary care provider if you aren't sure what's causing your symptoms. If …