by means of x-rays. Before the biological effects of radiation were known, many physicists and corporations began marketing radioactive substances as patent medicine in the form of glow-in-the-dark pigments. Examples were radium enema treatments, and radium-containing waters to be drunk as tonics. Marie Curie protested against this sort of treatment, warning that the effects of radiation on the human body were not well understood. Curie later died from aplastic anaemia, likely caused by exposure to ionizing radiation. By the 1930s, after a number of cases of bone necrosis and death of radium treatment enthusiasts, radium-containing medicinal products had been largely removed from the market (radioactive quackery). See also CBLB502, 'Protectan', a radioprotectant drug under development for its ability to protect cells during radiotherapy. Ex-Rad, a United States Department of Defense radioprotectant drug under development. Health physics Health threat from cosmic rays International Radiation Protection Association – (IRPA). The International body concerned with promoting the science and practice of radiation protection. Juno Radiation Vault Non-ionizing radiation Nuclear safety Potassium iodide Radiation monitoring Radiation Protection Convention, 1960 Radiation protection reports of the European Union Radiobiology Radiological protection of patients Radioresistance Society for Radiological Protection – The principal UK body concerned with promoting the science and practice of radiation protection. It is the UK national affiliated body to IRPA United Nations Scientific Committee on the Effects of Atomic Radiation References Notes Harvard University Radiation Protection Office Providing radiation guidance to Harvard University and affiliated institutions. Journal of Solid State Phenomena Tara Ahmadi, Use of Semi-Dipole Magnetic Field for Spacecraft Radiation Protection. External links - "The confusing world of radiation dosimetry" - M.A. Boyd, U.S. Environmental Protection Agency. An account of chronological differences between USA and ICRP dosimetry systems. Nuclear physics Radiobiology Radiation health effects