A new therapy is showing promise for the treatment of mental illness and neurodegenerative disorders. This treatment, which consists of a blue dye and red light, may improve disorders ranging from ...

Researchers report that photodynamic therapy increases antibiotic penetration and disrupts resistance mechanisms in laboratory strains.

We asked experts about the benefits of red light therapy for sleep—and which devices are most effective for adding it to your ...

Because adequate sunlight and vitamin D appear to reduce the prevalence of seasonal affective disorder, various specialty lamps have been created to provide this light. Sun lamps, also known as "happy ...