We listen to a lot of music during the course of the working day. Morning, afternoon and evening (and usually lunchtime too), the What Hi-Fi? test rooms in London, Bath and Reading are regularly ...

PCR tests are very accurate and can find the virus even in people without symptoms. Rapid tests can be done at home and show results in minutes. It's important to follow instructions closely when ...

An esophageal pH test measures how much, how long, and how often stomach acid enters your esophagus to help diagnose GERD. Before the test, you shouldn't eat after midnight, and you may need to stop ...