Osteopathic medicine: What kind of doctor is a D.O.? - Mayo Clinic
Dec 12, 2025 · You know what M.D. means, but what does D.O. mean? What's different and what's alike between these two kinds of health care providers?
PSMA PET scan for prostate cancer - Mayo Clinic
May 24, 2025 · A PSMA PET scan is an imaging test that detects prostate cancer. Learn how it works, why it's done and what results may show.
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. …
Electrocardiogram (ECG or EKG) - Mayo Clinic
Apr 2, 2024 · You don't need to do anything to prepare for an electrocardiogram (ECG or EKG). Tell your healthcare team about all the medicines you take, including those bought without a …
HDL cholesterol: How to boost your 'good' cholesterol
Nov 7, 2024 · So do most fried foods and some margarines. Also limit saturated fat, found in meats and full-fat dairy products. If you smoke, find a way to quit. Smoking lowers HDL levels, …
Obsessive-compulsive disorder (OCD) - Symptoms and causes
Dec 21, 2023 · Overview Obsessive-compulsive disorder (OCD) features a pattern of unwanted thoughts and fears known as obsessions. These obsessions lead you to do repetitive …
Premature ventricular contractions (PVCs) - Mayo Clinic
Sep 20, 2025 · Premature ventricular contractions (PVCs) may not cause symptoms. Sometimes the extra beats can cause unusual feelings in the chest, such as: Fluttering, pounding or …
Post-traumatic stress disorder (PTSD) - Symptoms and causes
Aug 16, 2024 · Overview Post-traumatic stress disorder (PTSD) is a mental health condition that's caused by an extremely stressful or terrifying event — either being part of it or witnessing it. …
Pneumonia - Symptoms and causes - Mayo Clinic
Jun 13, 2020 · Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, …
Blood pressure chart: What your reading means - Mayo Clinic
Dec 24, 2025 · Checking your blood pressure helps you avoid health problems. Learn more about what your numbers mean.