In patients showing cognitive decline, a new blood test for Alzheimer's is expected to make diagnosis more convenient, accessible and inexpensive than other existing tests.

A T4 blood test is used to check your thyroid function. It stands for thyroxine, which is a hormone made by the hormone glands. Learn about how the test works today.

The blood test can help flag the presence of the Alzheimer’s-related proteins, and doctors might then order confirmatory testing with one of the other methods.

Medically reviewed by Isabel Casimiro, MD, PhD A TSH test measures the level of thyroid-stimulating hormone in your blood. Abnormal TSH levels typically indicate a problem with your thyroid, like ...

Doctors use a simple blood test to determine typical or atypical CO2 levels in the body. Learn about the CO2 blood test, and how to interpret the results, here.

Maintaining proper sodium levels in your blood is critical to health. Learn about the symptoms of low sodium, sodium blood tests, and normal sodium levels.

Galleri, a blood test said to detect more than 50 different types of cancer, is available nationwide via prescription. Here's what to know about it.

Doctors can order the prescription test and take a few drops of blood from a fingerprick. They then send the sample to the company’s labs in Salt Lake City for analysis.

Blood tests for Alzheimer’s may be coming to your doctor’s office. Here’s what to know A Swedish study found blood testing to be more accurate than traditional exams at diagnosing Alzheimer's. The ...

Research has discovered that an existing screening test could help support and save your heart health. Here's why and how to get one, according to doctors.

A Sanborn mother recently experienced something she never thought would happen, finding blood on her order from Burger King.

Doctors can order the prescription test and take a few drops of blood from a fingerprick. They then send the sample to the company’s labs in Salt Lake City for analysis.