
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 …
Cervical dystonia - Symptoms & causes - Mayo Clinic
Sep 3, 2021 · Cervical dystonia, also called spasmodic torticollis, is a painful condition in which your neck muscles contract involuntarily, causing your head to twist or turn to one side. …
Animal bites: First aid - Mayo Clinic
May 10, 2024 · Animal bites might be caused by pets — such as cats, dogs, hamsters and turtles. Or bites may be from farm animals or wild animals. The type of care needed depends on how …
History of COVID-19: Outbreaks and vaccine timeline
Learn about the COVID-19 pandemic as well as mRNA research, COVID-19 tests and treatments, and COVID-19 vaccine development and approval.
Lice - Symptoms and causes - Mayo Clinic
Oct 14, 2025 · Lice are tiny, wingless insects that feed on human blood. Lice spread from person to person through close contact and by sharing clothes and other items. There are three types …
Diseases and Conditions that Start with N - Mayo Clinic
Browse a comprehensive list of medical diseases and conditions that start with the letter N from the experts at Mayo Clinic.
Hip pain - Mayo Clinic
Hip pain is a common complaint that can be caused by a wide variety of problems. The precise location of hip pain can provide clues about the underlying cause. Problems within the hip joint …
Plantar warts - Diagnosis and treatment - Mayo Clinic
Feb 7, 2024 · Treatment Most plantar warts are harmless and go away without treatment, though it may take a year or two in children, and even longer in adults. If you want to get rid of warts …
Influenza (flu) - Symptoms and causes - Mayo Clinic
Oct 22, 2025 · Learn more about the symptoms, causes and prevention of this potentially deadly viral infection that attacks the respiratory system.
Low-phosphorus diet: Helpful for kidney disease? - Mayo Clinic
Jan 11, 2023 · If you have kidney disease, you may need to limit how much phosphorus you eat or drink each day. A dietitian can help you create a custom meal plan.