will be the thing that we hold them for. harmeet dhillon, you are the voice on the right side. thank you for joining us as always. >> thank you, tucker played >> tucker: meanwhile, we have been saying it for years, now they are the hard sign evidence that big tech is harming children. the 60 minutes highlighted research that says that children who use tablets, smartphones, and other screens more than seven hours a day, and that is a lot of kids, believe it or not are developing different brain structures. their brains are being damaged by this. a psychotherapist who has written on the subject, he join. you must feel vindicated by this report, tom. >> i do, i'm happy to be see it -- -- to see it, and lookingt it in my book, we can have some scientifc evidence showing exactly what all of the tech is doing to the brain. >> tucker: what is it doing? >> the area of the brain called the cortex, the outer layer of the brain, the preliminary study that the research has conducted