Forest bathing is wildly popular in Japan and becoming popular in this country. In the early 1990s, the Japanese Ministry of Agriculture, Forestry and Fisheries coined the term Shinrin-yoku, which translates roughly as "forest bathing," the practice of taking a leisurely walk in a forest for health benefits.

Fish oil sales have now reached more than $1.2 billion a year, without enough regard for environmental contaminates, bio-accumulate of toxins, industry paid for murky science, and sustainability issues.

According to a study published in the July 2017 journal Foods, prior to the advent of artificial lighting, the sun was the primary source of light. However, when the sun sets today, we are hard pressed to find darkness—illumination from ​LEDs, ​incandescent and fluorescent lights provides indoor and outdoor illumination.