The protein S activity test measures the activity of this substance in the blood to prevent clotting. If your physician asks for this test, tell them what medicines you are taking.

A simple £5 blood test for the protein troponin could predict a person's risk of heart attacks and strokes with greater accuracy than ever before, research suggests.

To check if you have a cancer called multiple myeloma, your doctor may ask you to get a test for M protein.If M protein shows up in your blood or urine, it's a sign you might have that disease or ...

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 ...

The test, which consumers can order on their own, measures a protein linked to Alzheimer’s called amyloid beta. But it can’t diagnose cases, and the results may be needlessly stressful.

A calprotectin stool test detects levels of calprotectin in stool. This protein indicates bowel inflammation. It can help diagnose and monitor conditions such as inflammatory bowel disease (IBD ...

The sweat test can help doctors to diagnose cystic fibrosis. Learn about how it works, ... When a person has cystic fibrosis, the CFTR protein does not work properly. This can cause chloride, ...

Quest Diagnostics on Monday launched the first direct-to-consumer blood test to detect abnormal levels of beta amyloid, a key Alzheimer's disease protein that can appear years before dementia ...

To find out which protein powder is best for baking, experts in the Women's Health Test Kitchen put three popular types to the test. Whey, pea, and collagen protein powders were stirred, in equal ...

Free at-home Covid tests can be ordered starting Monday. Here’s what you should know about when to test and what the results mean as new variants circulate.