High-frequency wands focus on the skin’s surface, using oxygenation and gentle heat to calm acne and boost circulation, making them best for targeted spot treatments. LED therapy uses specific light ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Thanks to a new batch of professional-grade skincare devices, made for use at home, it's never been ...

Electrical stimulation of the spinal cord is a promising strategy for reestablishing walking after spinal cord injury, recent studies show. But for patients suffering from muscle spasms, the ...