From battery tests to capturing photos in various lighting conditions, here's how ZDNET's mobile team evaluates the latest handsets before they're recommended to you.

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 ...

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 ...

Hydrogen breath tests are a diagnostic tool that doctors use to identify small intestinal bacterial overgrowth (SIBO), lactose intolerance, and other digestive conditions. The test measures the amount ...

Anyone who thinks they might have trichomoniasis should get a test for this condition. Without treatment, trichomoniasis can increase the risk of a person contracting HIV. Share on Pinterest ...

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 ...

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 ...

David leads the Hardware team at CNET, covering phones, wearables, laptops, TVs, streaming, future tech and more. We provide helpful, expert reviews, advice and videos on what to buy and how to get ...

For more than 40 years, rigorous, repeatable testing has been at the core of everything we do here at PCMag. Take a look inside PC Labs where we test, rate, and review thousands of technology products ...

Dan Ackerman leads CNET's coverage of computers and gaming hardware. A New York native and former radio DJ, he's also a regular TV talking head and the author of "The Tetris Effect" ...