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
Patient participation process of HTA. It is sometimes called consumer or patient engagement or consumer or patient involvement, although in HTA the latter term has been defined to include research into patients' needs, preferences and experiences as well as participation per se. In HTA, patient participation is also often used to include the participation of patient groups, patient advocates, and patients' families and carers in the process. As HTA aims to help healthcare funders, such as governments, make decisions about health policy, it often involves the question as to whether to use broadly defined health "technologies", and if so, how and when;