Introduction to Chapters Text

LETS V 6 intro only FINAL 10718.pdf

Please read the textbook introduction to learn more about the LETS course, LETS curriculum and further study in light therapy.

We have recently updated some video links in Chapters 3, 4 & 5. The original links for some data are no longer valid, but those web addresses have not been removed, in order to continue properly citing the original source. Updated links on the subject are provided in the Chapter Text locations.

Please note that this course is designed for the lessons to be completed fully, and in the order they are presented. If you attempt to progress without fully completing the lectures and lessons, you will experience difficulty moving forward.

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