Jun 12, 2025 · Creatinine is a chemical compound left over from energy-making processes in muscles. Healthy kidneys filter creatinine out of the blood. Creatinine exits the body as a waste …

The blood sample is generally drawn with a needle from a vein in your arm. You may feel some tenderness at the site, but you'll be able to resume normal activities afterward. Results Results …

Apr 12, 2024 · Overview A hemoglobin test is a blood test. It measures the amount of a protein in red blood cells called hemoglobin. Hemoglobin carries oxygen to the body's organs and …

Jan 29, 2025 · Ejection fraction is a measurement of the percentage of blood leaving the heart each time it squeezes. When the heart squeezes, it's called a contraction. Ejection fraction is …

Apr 22, 2023 · Keeping track of your menstrual cycles can help you understand what's typical for you. You also can record your ovulation and find important changes — such as a missed …

Dec 19, 2023 · If a ferritin test shows high ferritin levels, it most often means swelling in the body, called inflammation. Conditions that can cause inflammation include liver disease, rheumatoid …

Nov 1, 2024 · You know that aging will likely cause wrinkles and gray hair. But do you know how aging will affect your teeth, heart and sexuality? Find out what changes to expect as you …

Dec 17, 2024 · 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, …

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.

Jan 23, 2025 · A high-sensitivity C-reactive protein test, also called hs-CRP test, is more sensitive than a standard C-reactive protein test. That means the high-sensitivity test can find smaller …