Learn about the many tests and examinations your blood sample undergoes in a lab. Giving a blood sample during a doctor’s visit is a common procedure. Discover the dizzying array of automated tests ...

SiPhox Health makes at‑home blood testing easy with up to 60 biomarkers starting at $99 — no needles, no lab visits, just ...

Experts think certain non-routine tests are worth asking your doctor about, since the results could point to health-saving ...

There are several lab tests for hemophilia. However, the main tests detect the clotting activity of factors VIII and IX, which are proteins in the blood. Hemophilia is a bleeding disorder in which an ...

A blood osmolality test measures the blood for the concentration of certain dissolved particles. This test can show whether a person has an irregular balance of fluids in their body. Osmolality tests ...

Household contacts of people with tuberculosis (TB) have a high risk of getting TB themselves, at around 2 percent. It is ...

A laboratory technician holds a blood sample in Germany. Photographer: Krisztian Bocsi/Bloomberg Senior Correspondent As the world’s population ages, health experts are bracing for higher rates of age ...

New blood tests measuring p-tau217 levels show promise for predicting Alzheimer's risk years before symptoms appear, though ...

A blood draw can already reveal cholesterol levels, blood sugar, and signs of infection. Before long, it might also flag ...

A blood sample small enough to come from a finger prick, paired with a set of online thinking tests, may offer a new way to ...

Household contacts of people with tuberculosis (TB) have a high risk of getting TB themselves, at around 2%. It is currently ...

At-home biomarker testing is gaining popularity as an alternative to traditional lab visits for routine blood work. Companies like SiPhox Health offer kits to test for dozens of health markers from ...