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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. Drug addiction (substance use disorder) - Mayo Clinic

    Jun 20, 2025 · Overview Drug addiction, also called substance use disorder, is a disease that affects a person's brain and behavior and leads to an inability to control the use of a legal or …

  3. Vitamin D - Mayo Clinic

    Mar 21, 2025 · Vitamin D is a nutrient the body needs, along with calcium, to build bones and keep them healthy. The body can absorb calcium only if it has enough vitamin D. Calcium is a …

  4. Too much vitamin C: Is it harmful? - Mayo Clinic

    Feb 20, 2025 · Vitamin C is an essential nutrient, but you can get too much of it. If you're an adult, limit yourself to no more than 2,000 milligrams (mg) of vitamin C a day. The recommended …

  5. Duloxetine (oral route) - Side effects & dosage - Mayo Clinic

    Nov 1, 2025 · Appropriate studies performed to date have not demonstrated pediatric-specific problems that would limit the usefulness of duloxetine in children to treat anxiety in children 7 …

  6. Kratom: Unsafe and ineffective - Mayo Clinic

    Jun 18, 2024 · Kratom: Unsafe and ineffective Users swear by kratom for lifting mood and boosting energy, but there are many safety issues and questions about whether kratom works.

  7. Symptoms - Symptoms - Mayo Clinic

    Explore possible causes for your medical symptoms.© 1998-2025 Mayo Foundation for Medical Education and Research (MFMER). All rights reserved.

  8. Buspirone (oral route) - Side effects & dosage - Mayo Clinic

    Dec 1, 2025 · Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other …

  9. Dehydration - Symptoms & causes - Mayo Clinic

    May 2, 2025 · Thirst isn't always a good way to tell if the body needs water. Many people, mainly older adults, don't feel thirsty until they're dehydrated. That's why it's important to increase …

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

    Jan 4, 2023 · Symptoms Sometimes it's difficult to recognize the difference between a strong-willed or emotional child and one with oppositional defiant disorder. It's common for children to …