There is no point in listening to anything Joe Biden says. He’s a babbling moron whose entire life is a BS lie.
There are all sorts of reasons to listen to what President Trump says.
Really not a valid comparison.
Bilirubin lights are a blue wavelength used to treat newborns for jaundice. It breaks down bilirubin in the body to a substance(s) that can be removed by the liver and kidneys perhaps? Not sure about kidneys. It’s a very common treatment. The blue wavelength is toward the UV end but I don’t know if it’s considered anywhere near UV.