We spent 2021 testing hundreds of products: These are worth the money

Throughout the year, CNN Underscored is constantly testing products — from coffee makers to computers to sheets to shower heads — to help our readers find the absolute best things.

Our testing process is rigorous. We spend countless hours of research, consulting experts, reading editorial reviews and perusing user ratings to identify the products we want to bring in for testing, be they things that have stood the test of time or the most promising new contenders. Then we spend weeks or months testing and retesting each product multiple times in real-world settings, putting everything through the sort of use …

Podcast: How a healthy diet can help alleviate depression and anxiety


The brain makes us who we are. It’s the control center that manages thoughts, emotions, and even our perception of time. But for many of us, the brain remains a mystery. This season, Dr. Sanjay Gupta, a practicing neurosurgeon, explains how this 3-pound organ impacts our physical and mental health. As Dr. Gupta demystifies the brain, you’ll learn tangible takeaways to help you sleep better, eat healthier, and live longer.

  • Jan 25, 2022

    27 mins

  • Jan 18, 2022

    30 mins

  • Jan 11, 2022

    4 mins

  • Jan 4, 2022

    10 mins

  • Dec 28, 2021

    4 mins

  • Dec 21, 2021


Researchers found Omicron had 10 times the proportion of reinfection cases compared to Delta. Here’s what else two early studies say.

Two new preprint papers add to growing evidence that the Omicron coronavirus variant may be less likely to cause severe disease and hospitalization compared to the Delta variant.

Omicron is associated with a two-thirds reduction in the risk of Covid-19 hospitalization compared with Delta, suggests one study, released online Wednesday as a working paper by researchers at the University of Edinburgh in the United Kingdom. That research was based out of Scotland.

The other paper, posted Tuesday to the online server medrxiv.org, suggests that people with Omicron infections have had 80% lower odds of being admitted to the hospital compared with Delta infections. But once …