Smartphone use while on the toilet is a direct predictor of chronic bowel disorders, even when general screen time is not.

The specific habit of toilet phone use is a distinct risk factor for functional gastrointestinal issues. Most health warnings focus on total daily screen time as the cause of sedentary health problems. This study found that the bathroom context matters more for gut health than how many hours a person spends on their phone overall. The prolonged sitting and distraction during defecation likely disrupt the body's natural physical processes. It suggests that the most effective digital detox might simply be leaving the phone outside the bathroom door.