One peculiar thing you may have noticed about LED bulbs is that they tend to glow for a while when you turn them off. That raises a question: why does this happen, and should you be worried about it?

And it might not be your imagination if LED lights induce a sense of discomfort, feel blinding to you, or emit what seems to you like a bizarre glow. LED bulbs differ from other lightbulbs in ...

Kelly Rowland is a proponent of at-home LED light therapy. During Beautycon, which Rowland headlined this year, the singer talked about her history with beauty and style and gave the lowdown on ...