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 …

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

Why it's done A hematocrit test can help your health care team make a diagnosis or monitor how you respond to a treatment. The test is done as part of a complete blood count (CBC). When the …

Nov 9, 2024 · Overview A bilirubin test checks liver health by measuring the levels of bilirubin in the blood. Bilirubin is a substance produced by the breakdown of red blood cells. Bilirubin (bil-ih-ROO …

Jun 30, 2023 · Did you know that your fingernails can provide important information about your health? Read on to learn about how changes in the way your fingernails look could signal medical concerns …

Jun 13, 2024 · What's considered low blood pressure for one person might be OK for someone else though. Low blood pressure might cause no symptoms that you notice. Or it might cause dizziness …

Apr 30, 2025 · PSA is mostly found in semen, which also is produced in the prostate. Small amounts of PSA ordinarily circulate in the blood. The PSA test can detect high levels of PSA that may indicate …

Feb 7, 2026 · 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 …

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 …

Oct 11, 2025 · Foods and medicines can change the color of urine. But a color change also could be a sign of disease.