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

    Nov 29, 2022 · A major difference between D.O.s and M.D.s is that some doctors of osteopathic medicine use manual medicine as part of treatment. Manual medicine can include hands-on work on …

  2. Probiotics and prebiotics: What you should know - Mayo Clinic

    Apr 25, 2025 · Probiotics and prebiotics are two parts of food that may support gut health. Probiotics are specific living microorganisms, most often bacteria or yeast that help the body digest food or help …

  3. COVID-19 vs. flu: Similarities and differences - Mayo Clinic

    Oct 22, 2025 · Coronavirus disease 2019 (COVID-19) and seasonal flu have many similarities and differences. Find out what to know and how to protect yourself from these diseases.

  4. Rheumatoid arthritis - Symptoms and causes - Mayo Clinic

    Apr 9, 2025 · Rheumatoid arthritis is an ongoing, called chronic, condition that causes pain, swelling and irritation, called inflammation, in the joints. But it also can damage other parts of the body. These …

  5. Interstitial cystitis - Diagnosis & treatment - Mayo Clinic

    Sep 29, 2021 · You're asked to rate on a scale of 0 to 5 the pain and urgency you feel after each solution is instilled. If you feel noticeably more pain or urgency with the potassium solution than with …

  6. Warm-mist versus cool-mist humidifier: Which is better for a cold?

    May 11, 2023 · Warm-mist and cool-mist humidifiers are equally effective in humidifying the air. By the time the water vapor reaches your child's lower airways, it's the same temperature regardless of …

  7. Lumbar puncture (spinal tap) - Mayo Clinic

    May 4, 2024 · A lumbar puncture, also known as a spinal tap, is a test used to diagnose certain health conditions. It's performed in your lower back, in the lumbar region. During a lumbar puncture, a …

  8. Liver function tests - Mayo Clinic

    Jan 18, 2025 · Liver function tests can help determine how well your liver is doing its job. Find out what to expect and what results are considered standard.

  9. Orthostatic hypotension (postural hypotension) - Mayo Clinic

    May 26, 2022 · A health care provider's goal in evaluating orthostatic hypotension is to find the cause and determine treatment. The cause isn't always known. A care provider might review medical …

  10. Dietary fiber: Essential for a healthy diet - Mayo Clinic

    Nov 7, 2025 · Dietary fiber offers many health benefits. Here's how to include more in your diet.