The principle behind cancer-spotting blood tests is relatively simple. Some, like Galleri, analyse DNA fragments shed by ...

Colorectal cancer is highly treatable when caught early—and FIT tests make screening easier than ever with a simple at‑home ...

Microbiome tests measure the microorganisms in a person’s gastrointestinal (GI) tract. These tests can give the person an idea of the types and amounts of microorganisms in their gut. However, people ...

Each week, we answer frequently asked questions about life during the coronavirus crisis. If you have a question you'd like us to consider for a future post, email us at [email protected] with the ...

With Covid-19 cases up across the country, many people are once again relying on home tests to guide decisions about going to work and sending their kids to school and other activities. A lot of those ...

A doctor can diagnose food allergies using a variety of tests, including skin prick tests, blood tests, and oral food challenges. Home test kits are also available, though they have several downsides ...

Have your COVID-19 rapid tests expired? Don’t toss them yet. Federal regulators have extended some tests’ expiration dates, meaning certain offerings are now usable for months longer. The reason for ...