Excessive screen time might contribute to increasing dementia likelihood 4-6 times in the next decades, a new study claims. The authors use existing US public data and past research to make predictions about brain health and society. The study tries to understand two main things: 1) How screen time (phones, TV, computers, tablets) affects the brain 2) How dementia rates might change in the future as a result They say that dementia/Alzheimers is impacted by two factors - scree