Testing a person’s blood for a type of protein called phosphorylated tau, or p-tau, could be used to screen for Alzheimer’s disease with “high accuracy,” even before symptoms begin to show, a new ...

Protein S activity is a test to judge your risk of blood clots. Blood clots that form in the veins are dangerous. Protein S is a substance that controls the blood clotting mechanism and prevents ...

More than 6 million Americans are living with Alzheimer’s disease, the most common type of dementia, and that number is expected to reach 14 million by the year 2060. Doctors and researchers have long ...

Some people are more likely to have protein in their urine. If your doctor does a routine dipstick protein urine test, you might need to do a 24-hour urine protein test. What Is a 24-Hour Urine ...

A urine protein-creatinine ratio (UPCR) test looks for high levels of protein in your urine, which can happen in kidney disease. Results that are higher than average ...

A urine protein test measures the amount of protein in a urine sample. A doctor may suggest this test to help evaluate and monitor kidney function and potentially detect kidney damage. The kidneys ...

Vitamin D tests involve taking a blood sample to measure the vitamin D levels in your bloodstream. There are two forms of vitamin D in the blood: 25-hydroxy vitamin D, or calcidiol, and 1,25-dihydroxy ...