Mark Olson spends his entire Thanksgiving break lighting up the elementary school for kids in Kensington, Minnesota.

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

LOS ANGELES -- The Las Vegas Raiders hoped the decision to move on from offensive coordinator Chip Kelly, with quarterbacks coach Greg Olson filling in as interim OC, would rejuvenate them during the ...

The Las Vegas Raiders offense is going to have to undergo a transformation in the middle of the season. Chip Kelly is out as offensive coordinator, and quarterbacks coach Greg Olson has taken over ...