Is it legal in Louisiana to flash headlights to warn other drivers?

If you've ever tried to warn fellow drivers of an upcoming speed trap by flashing your high beams, you may want to make sure ...
Verywell Health on MSN

What Happens to Your Eyes When You Use a Blue Light Filter

Exposure to blue light doesn't have adverse effects on your eye health. It can, however, disrupt your circadian rhythm. Using blue light filters may help reduce the effects of blue light exposure ...