
Ferritin test - Mayo Clinic
Dec 19, 2023 · Overview A ferritin test measures the amount of ferritin in the blood. Ferritin is a blood protein that contains iron. This test can be used to find out how much iron the body stores. If a ferritin …
Creatinine test - Mayo Clinic
Jun 12, 2025 · Overview A creatinine test is a measure of how well the kidneys are doing their job of filtering waste from the blood. Creatinine is a chemical compound left over from energy-making …
Mental health: What's normal, what's not - Mayo Clinic
Mental health is the overall wellness of how you think, behave and manage your feelings. A mental health condition may be present when patterns or changes in thinking, feeling, or behaving cause …
Blood pressure chart: What your reading means - Mayo Clinic
Dec 23, 2025 · Ideal blood pressure is categorized as normal. Increased blood pressure may be categorized as elevated, stage 1 or stage 2 depending on the specific numbers. A diagnosis of high …
C-reactive protein test - Mayo Clinic
Jan 23, 2025 · Overview C-reactive protein, also called CRP, is a protein made by the liver. The level of CRP increases when there's inflammation in the body. A simple blood test can check your C-reactive …
Thyroid peroxidase antibody test: What is it? - Mayo Clinic
Jul 9, 2024 · The thyroid peroxidase antibody test is a blood test. Sometimes it's done to help find out if a person has thyroid disease that's caused by an immune system condition. The test isn't used alone …
Hyponatremia - Symptoms and causes - Mayo Clinic
Jul 18, 2025 · Hyponatremia is the term used when your blood sodium is too low. Learn about symptoms, causes and treatment of this potentially dangerous condition.
Dry socket - Symptoms and causes - Mayo Clinic
Jul 18, 2023 · Dry socket is a painful dental condition that sometimes happens after you have a tooth removed. Having a tooth removed is called an extraction. Dry socket happens when a blood clot at …
Water: How much should you drink every day? - Mayo Clinic
Jan 21, 2026 · How much water should you drink each day? It's a simple question with no easy answer. Studies have recommended drinking different amounts over the years. But how much water a body …
High blood pressure (hypertension) - Symptoms & causes - Mayo Clinic
Feb 29, 2024 · Hypertension can be diagnosed by performing careful and repeated measures of the blood pressure. Blood pressure categories include normal blood pressure, defined as a systolic …