Is the Galleri multi-cancer blood test worth it? A doctor explains real-world performance data and explains why no major medical society recommends the test for screening.

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 ...

Molecular testing, or molecular diagnostics, refers to a group of tests that look at the genetic material in a specimen. It can detect genetic risk factors for certain diseases or provide evidence of ...

Genomic testing is one method your doctor can use to predict how your cancer will grow and which treatments might work best against it. It's sometimes called "DNA sequencing." The test looks at all ...

Genetic tests for Alzheimer’s can detect specific genes linked to the disease. In most cases, they can’t definitively confirm or predict a diagnosis, but they can provide insight into your relative ...

To grow good plants, you need good soil. The only way to tell what your soil really needs is to take a soil test. Applying too much fertilizer could be detrimental to your plants. You could waste ...