
Heart rate: What's normal? - Mayo Clinic
Oct 22, 2025 · A normal resting heart rate for adults ranges from 60 to 100 beats per minute. A heart rate above or below that may signal a health condition.
Blood urea nitrogen (BUN) test - Mayo Clinic
Aug 5, 2023 · Learn about the blood urea nitrogen (BUN) test to assess kidney function and what possible results could mean.
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 …
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 …
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 …
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 …
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 …
Low blood pressure (hypotension) - Symptoms and causes
Jun 13, 2024 · What's considered low blood pressure for one person might be OK for someone else though. Low blood pressure might cause no symptoms that you notice. Or it might cause dizziness …
Vitamin B-6 - Mayo Clinic
Aug 13, 2025 · Vitamin B-6 (pyridoxine) is important for normal brain development and for keeping the nervous system and immune system healthy. Food sources of vitamin B-6 include poultry, fish, …