Reflexology Trial", Simon Singh states that if indeed the hands and feet "reflect" the internal organs, reflexology might be expected to explain how such "reflection" was derived from the process of Darwinian natural selection; but Singh says that no argument or evidence has been adduced. In the United Kingdom, reflexology is coordinated on a voluntary basis by the Complementary and Natural Healthcare Council (CNHC). Registrants are required to meet Standards of Proficiency outlined by Profession Specific Boards, but since CNHC is voluntary anyone practicing can describe themselves as a reflexologist. When the CNHC began admitting reflexologists, a skeptic searched for, and
Nature therapy or forest bathing. Anthropologically, nature therapy appears to have existed since the dawn of time in many cultures and tribes. "Shinrin-yoku" () literally means forest bathing, originated in Japan in the early 1980s and may be regarded as a form of nature therapy. In Japan, Shinrin-yoku has become established across all prefectures with more than 60 Forest Therapy Camps by the end of 2016. In the late 1990s a pseudoscientific variant called earthing or grounding started to be marketed, under the notion that the earth functions as an electrical ground for people and that touching the earth provides an array