Just ask your neck, shoulders and back. But with a few adjustments, you won't have to give up emojis or binge-watching. See if your go-to position is a doctor's worst nightmare—and how to fix it for fewer aches and pains.
How smartphone light affects your brain and body. Smartphone light can disrupt your sleep cycle, making it harder to fall and stay asleep — and potentially causing serious health problems along the way.