
Stool color: When to worry - Mayo Clinic
Oct 10, 2024 · Stool comes in a range of colors. All shades of brown and even green are considered typical. Only rarely does stool color indicate a possibly serious intestinal condition. Stool color is …
Ejection fraction: An important heart test - Mayo Clinic
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 just one of many …
Cholesterol ratio or non-HDL cholesterol: Which is most important?
Jan 12, 2024 · For predicting your risk of heart disease, many healthcare professionals now believe that determining your non-HDL cholesterol level may be more useful than calculating your cholesterol …
Menstrual cycle: What's normal, what's not - Mayo Clinic
Apr 22, 2023 · Learn about how to track your menstrual cycles and what any changes may mean.
C-reactive protein test - Mayo Clinic
Jan 23, 2025 · 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 …
Aging: What to expect - Mayo Clinic
Nov 1, 2024 · Aging: What to expect Wonder what's considered a natural part of the aging process? Here's what to expect as you get older — and what you can do about it. By Mayo Clinic Staff
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.
Blood pressure chart: What your reading means - Mayo Clinic
Dec 24, 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 …
High cholesterol - Symptoms and causes - Mayo Clinic
Mar 7, 2025 · High cholesterol can be inherited. That means it can pass from parents to children through genes. But high cholesterol often is the result of lifestyle choices such as not getting enough …
High blood pressure (hypertension) - 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 …