A fasting blood test requires you to avoid eating or drinking anything for some time before your test. The amount of time to fast varies for different tests. It’s generally in the range of 8 to 12 ...

A polymerase chain reaction (PCR) test detects genetic material from a pathogen or abnormal cell sample. Ways of collecting samples include a nasal swab, a saliva swab, or taking a sample of blood.

With home testing options increasing more than ever, you now also have the ability to test for kidney function within the comfort of your own home. Learn more about our four best picks for at-home ...

A 10-panel drug test is a common way to check for various drugs in a person’s body. It typically involves testing urine for drugs, such as cannabinoids, opioids, and more. Typically, traces of these ...

I tested myself for COVID-19 from the comfort of my bedroom. I had never taken a rapid test before, but the instructions were easy to follow. Rapid antigen tests are convenient, but they're not as ...

As the nation experiences what many experts believe is the second-largest wave of COVID infections since the pandemic started, many Americans will be checking to make sure they don’t have the ...

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 ...

We regularly 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 goatsandsoda@npr.org with the ...

How safe is your tap water? Finding out can take some time, effort, and money, but it’s worth doing. Most people on municipal water who pay their own bill should receive an annual water quality report ...

The 6 Best Free Speed Test Apps to Check Internet Performance Your email has been sent In the remote work era, reliable Wi-Fi is a must. From testing network performance to locating nearby ...

Don't settle for sluggish Wi-Fi. Learn what internet speed tests mean and how to troubleshoot and fix common issues. Joe Supan is a senior writer for CNET covering home technology, broadband, and ...