When you buy through our links, Business Insider may earn an affiliate commission. Learn more Red light therapy masks may have taken over beauty-influencer algorithms, but they're also one of the most ...

Red light therapy (RLT) involves exposing the body to low-wavelength red or near-infrared light (IRL). Red and near-IRL differ slightly in terms of wavelength and visibility. Red light is visible to ...

If there is one sub-genre of horror that remains unkillable, it is the slasher. Ever since it was popularised by films such as Halloween, Black Christmas, and Friday the 13th, horror cinema has been ...