Jun 3, 2025 · Overview An alanine aminotransferase test, also called an ALT test, is a blood test to check the health of your liver. ALT is a substance found mostly in the liver. If your liver is OK, the …

Aug 5, 2023 · Learn about the blood urea nitrogen (BUN) test to assess kidney function and what possible results could mean.

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 …

Jul 8, 2025 · A simple blood test done in a doctor's office can help to diagnose Alzheimer's disease. Find out who can have the test, and how accurate results are.

This can indicate: The blood has too few healthy red blood cells. This condition is called anemia. That the body does not have enough vitamins or minerals. Recent or long-term blood loss. When the …

Feb 28, 2024 · Checking your blood pressure helps you avoid health problems. Learn more about what your numbers mean.

Oct 24, 2023 · Bacteria, yeast or parasites can indicate an infection. Casts — tube-shaped proteins — can be a result of kidney disorders. Crystals that form from chemicals in urine might be a sign of …

Jan 19, 2024 · Hair loss can appear in many different ways, depending on what's causing it. It can come on suddenly or gradually and affect just your scalp or your whole body. Signs and symptoms of hair …

Nov 13, 2025 · A low hemoglobin count on a blood test could be normal for you, or it could indicate that you have a condition that needs medical attention.

Mar 20, 2025 · Your kidneys filter waste products from your blood while keeping what your body needs — including proteins. However, some diseases and conditions allow proteins to pass through the …