The Galleri test, by American company GRAIL, can detect over 50 types of cancerous DNA with a simple blood test. How the cancer screening test works.

Is Galleri the future of cancer treatment? It's not that simple. The new research from the company, while promising, isn't ...

COVID-19 is the illness that’s caused by the novel coronavirus, SARS-CoV-2. While COVID-19 is mild to moderate most of the time, it can also cause severe illness. There are a variety of tests that can ...

If you need a Covid-19 test, you have options. But what type of test is best? And what are the differences? Terms like molecular, antigen, rapid, PCR, RNA can be head-spinning when you often just want ...

One is widespread but has key shortages across its supply chain. One remains questionably reliable and is only helpful after the fact. And one is still early in development – but could speed up and ...

I’m irresistibly drawn to personality tests — but not for the reasons you might think. While I enjoy taking these tests myself, my real interest comes from seeing my friends consider their answers.