Wood carvers will sometimes use chainsaws to “rough in,” but finishing requires more subtle sculpting tools. In lighting, as with other crafts, no single tool is perfect for everything. Coarse or ...

Light-emitting diode (LED) light therapy is a cosmetic and medical treatment that uses LED wavelengths to treat various skin conditions, such as acne and psoriasis. You can get this therapy at a ...

LED light therapy is a popular noninvasive skin treatment for acne, sun damage, wounds, and other skin problems. People can choose to have LED light therapy at a dermatologist’s office or to use a ...