I don't mean to sound like a grump. I was taught this back in highschool in my 2010 psychology class. How is this different from the long standing understandin

I don't mean to sound like a grump. I was taught this back in highschool in my 2010 psychology class. How is this different from the long standing understanding we already had that blue light inhibits melatonin? This isn't some groundbreaking new development. Blue light therapy has been around for over a decade to help people correct their circadian rhythms. It's why the Kindle claims that it shines a warm light across the screen rather than directly at you. It's why mobile phones have begun to incorporate a night mode that can warm the backlight on the screen from a blue white light to warmer oranges.