I think this article mostly says what we already know about the negative effects of too much screen time, but I personally always struggle to follow the basic mitigating advice like look away every 20 minutes and exercise for a little bit each day :')

Not "phone body" I'm getting the "gamer posture" thank you very much.

Thankfully, our body is already compensating by growing sturdy protective skull spikes to repel predators (https://www.earth.com/news/looking-down-phone-skull/)