The idea of a single blood test for cancer is revolutionary, and such a test could potentially lead to earlier diagnosis. However, the reality is that there is no reliable blood test for cancer yet.

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 ...

As the world’s population ages, health experts are bracing for higher rates of age-related diseases, including Alzheimer’s. Finding new ways to diagnose the condition is more of a priority than ever, ...

An Hgb blood test measures a person’s hemoglobin levels. This protein helps red blood cells carry oxygen and keep cells and organs functioning. Low hemoglobin is known as anemia. Hemoglobin is also ...

Whoop’s test, in comparison, starts at $349 for two per year, and unlike with Oura, you can upload tests done through your ...

A first-of-its-kind blood test for Alzheimer’s disease is now on sale, signaling a potential breakthrough for patients but also raising concerns. The test from C2N Diagnostics of St. Louis determines ...

Brad Reisfeld is a professor of chemical and biological engineering, biomedical engineering, and public health at Colorado State University. Your blood serves numerous roles to maintain your health.

Recent research suggests that blood tests may show markers of oral cancer. But a blood test isn’t enough to confirm an oral cancer diagnosis. A biopsy is the only way to confirm it. Blood tests for ...

Kidney disease often progresses silently, causing irreversible damage before symptoms appear. Simple tests like blood ...

Dr. Omar Al-Heeti is an assistant professor of medicine at Southern Illinois University and practices internal medicine with a specialty in infectious diseases. He received his medical degree from the ...