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  1. Osteopathic medicine: What kind of doctor is a D.O.? - Mayo Clinic

    Dec 12, 2025 · You know what M.D. means, but what does D.O. mean? What's different and what's alike between these two kinds of health care providers?

  2. Lazy eye (amblyopia) - Symptoms & causes - Mayo Clinic

    Apr 16, 2025 · Lazy eye (amblyopia) is reduced vision in one eye caused by abnormal visual development early in life. The weaker — or lazy — eye often wanders inward or outward. …

  3. Oppositional defiant disorder (ODD) - Symptoms and causes

    Jan 4, 2023 · Overview Even the best-behaved children can be difficult and challenging at times. But oppositional defiant disorder (ODD) includes a frequent and ongoing pattern of anger, …

  4. Wet macular degeneration - Symptoms and causes - Mayo Clinic

    Dec 11, 2024 · Wet macular degeneration is an eye condition that causes blurred vision or reduced central vision. It is a type of age-related macular degeneration where blood vessels …

  5. What are opioids and why are they dangerous? - Mayo Clinic

    Aug 26, 2023 · Opioids are a broad group of medicines used to relieve pain. Although these medicines are effective, they can lead to addiction. Take them only as directed.

  6. Protein in urine (proteinuria) When to see a doctor - Mayo Clinic

    Mar 20, 2025 · If a urine test reveals protein in your urine, your health care provider may ask you to have more testing done. Because protein in urine can be temporary, you may need to …

  7. Osteochondritis dissecans - Symptoms and causes - Mayo Clinic

    Aug 25, 2022 · Osteochondritis dissecans most commonly affects children who are very active in sports. Learn about the symptoms and treatment of this joint condition.

  8. Uveitis - Symptoms & causes - Mayo Clinic

    Sep 20, 2025 · Uveitis is a form of eye inflammation that affects the middle layer of tissue in the eye, called the uvea. It can cause redness, pain, blurred vision and floaters. Uveitis (u-vee-I …

  9. COPD - Symptoms and causes - Mayo Clinic

    Aug 30, 2024 · Overview Chronic obstructive pulmonary disease (COPD) is an ongoing lung condition caused by damage to the lungs. The damage results in swelling and irritation, also …

  10. Adult attention-deficit/hyperactivity disorder (ADHD) - Mayo Clinic

    Jan 25, 2023 · This mental health disorder includes a combination of persistent problems, such as difficulty paying attention, hyperactivity and impulsive behavior.