Add Yahoo as a preferred source to see more of our stories on Google. It’s also called low-power laser therapy, soft laser therapy, cold laser therapy and nonthermal LED light therapy. The umbrella ...

Seasonal affective disorder (SAD) is more than the “winter blues.” It’s a real mood disorder linked to reduced light exposure ...

Conceptual depictions of wavenumber-selective nonlinear wavelength conversion in Kerr photonic crystal microresonators. Spatial modulation of the microresonator inner sidewall (pictured center) with a ...

Introduction to LED Face Masks and Light Therapy LED face masks have gained popularity in recent years as an effective skincare tool. These futuristic-looking masks use light therapy technology to ...