Light emitting diode (LED) or light therapy is a non-invasive treatment that involves exposure to artificial light in varying colors to treat a variety of health benefits, mostly skin ailments.
Ancient Greeks recognized the healing potential of sunlight, and the city of Heliopolis was known for its healing temples. They had rooms with different colored window coverings — each meant to create a specific color of light thought to treat different conditions.
But just how successful are light therapy treatments? Here's what you should know about them.
How Does Light Therapy Work?
According to the Cleveland Clinic, light therapy uses various wavelengths to treat specific conditions. The different wavelengths all produce different colors of light.