A blood test is a medical procedure where a sample of a person's blood is taken (called a blood draw) and sent to a lab for analysis. Knowing the results of blood tests helps a physician better ...

A multiple sleep latency test (MSLT), also known as a daytime nap opportunity study, is a sleep study that measures excessive daytime sleepiness. The test evaluates how fast you fall asleep in a quiet ...

A blood-based biomarker assay for multiple sclerosis (MS) disease activity provides actionable insights that supplement standard MS evaluations, especially for treatment initiation and de-escalation ...

Researchers at Dana-Farber Cancer Institute have developed a blood test that could transform the diagnosis and monitoring of multiple myeloma (MM) and its precursor conditions. The new method, known ...