The Oura ring 4 is the pick of the bunch, topping our guide to the best smart rings thanks to its in-depth health insights and robust build. Released in October last year, this Amazon Prime Day deal ...

It’s no secret that kids can spend hours on screens a day. From watching television to using cell phones and tablets, it adds ...

At the beginning, I pissed off my friends and family. I was a bad texter before I got a flip phone. Now, I was also a slow texter. My initial messages were answered with scornful comments about green ...

But that doesn't address how long to work out every day. You could try to hit 20 minutes of moderate aerobic activity a day, but is that really enough?