What is it?

Light therapy is a simple process in which a specific wavelength of light is projected onto the skin. The light causes chemical reactions in the target area

Pros:

mood, energy, focus, sleep, productivity, mental awareness, vitamin D synthesis, reduces dental decay, scholastic performance of students (SAD, jet lag, depression, dementia, sleep disorders, insomnia, ADHD) anti inflammatory (alopeca, Alzheimers, type two diabetes, obesity, psoriasis, arthritis, tendinitis)

Cons:

Eyestrain, Headache, Nausea, Irritability or agitation, Mania, euphoria, hyperactivity (Mayo Clinic - "Light therapy may trigger mania in some people with bipolar disorder")UV light can cause skin and eye damage aka skin cancer.The UV light released by tanning beds can damage your skin ...