Jan 25, 2025 · Eye dilation is part of a comprehensive eye exam. How often you need it depends on your age and health risks.

May 2, 2025 · Diagnosis To diagnose dermatitis, your doctor will likely look at your skin and talk with you about your symptoms and medical history. You may need to have a small piece of skin removed for …

Search or browse our comprehensive physician directory. Mayo Clinic Health System Providers Mayo Clinic Health System is a family of clinics, hospitals, and other healthcare facilities with locations in …

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 …

Oct 25, 2024 · Learn more about causes, symptoms, treatment and self-care tips for this condition that causes heavy sweating unrelated to heat or exercise.

Sep 20, 2024 · Male hypogonadism is a condition in which the body doesn't make enough of the hormone testosterone or enough sperm or both. Testosterone plays a key role in male growth and …

Apr 30, 2025 · Overview Rh factor is an inherited protein found on the surface of red blood cells. If your blood has the protein, you're Rh positive. If your blood doesn't have the protein, you're Rh negative. …

Jul 6, 2024 · A high blood cholesterol level increases your risk of coronary artery disease. Lower cholesterol most often is better. But rarely, having a very low level of low-density lipoprotein (LDL) …

Oct 28, 2025 · Amniocentesis is a test done during pregnancy. During amniocentesis, an ultrasound wand (transducer) is used to show a baby's position in the uterus on a monitor. A sample of amniotic …

Still, have a healthcare professional look at any breast lump. Be sure to have a healthcare professional check a new lump or a lump that's still there after a month or two. Also see a healthcare professional …