Indirect: screen time = time that your body is not moving. Health benefits of exercise are well known. And likely to have some effect on the chances of develop

Indirect: screen time = time that your body is not moving. Health benefits of exercise are well known. And likely to have some effect on the chances of developing particular types of cancer. Not to mention indoor air vs. outdoor air, that bowl of snacks within reach while sitting, etc. Various factors that shift towards "healthy" while out for a walk, bicycle ride or whatever.