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Synanon was founded in 1958 by Charles Dederich Sr., a member of Alcoholics Anonymous (AA) from Santa Monica, California. [3] At the time of Synanon's founding, those suffering from drug addiction were not always welcomed into AA because their issues were considered significantly different from those of alcoholics.
The Synanon Fix is an American documentary series directed and produced by Rory Kennedy. It explores the rise and fall of Synanon, told through the eyes of former members, into its descent into a cult. It had its world premiere at the 2024 Sundance Film Festival on January 21, 2024. [2] [3] It premiered on April 1, 2024, on HBO. [4]
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Nevertheless, the effects of low doses are mostly unknown so many regulations exist to avoid unnecessary risks, such as skin or internal exposure. Due to the low penetration power and many variables involved it is hard to convert a radioactive concentration to a dose. 1 μCi of P-32 on a square centimetre of skin (through a dead layer of a ...
Radiation is a moving form of energy, classified into ionizing and non-ionizing type. [4] Ionizing radiation is further categorized into electromagnetic radiation (without matter) and particulate radiation (with matter). [4] Electromagnetic radiation consists of photons, which can be thought of as energy packets, traveling in the form of a wave ...
The most widely accepted model posits that the incidence of cancers due to ionizing radiation increases linearly with effective radiation dose at a rate of 5.5% per sievert. [3] If this linear model is correct, then natural background radiation is the most hazardous source of radiation to general public health, followed by medical imaging as a ...
Unprotected experiments in the U.S. in 1896 with an early X-ray tube (Crookes tube), when the dangers of radiation were largely unknown.[1]The history of radiation protection begins at the turn of the 19th and 20th centuries with the realization that ionizing radiation from natural and artificial sources can have harmful effects on living organisms.
Radiation exposure such as ultraviolet radiation and radioactive material is a risk factor for cancer. [71] [72] [73] Many non-melanoma skin cancers are due to ultraviolet radiation, mostly from sunlight. [72] Sources of ionizing radiation include medical imaging and radon gas. [72] Ionizing radiation is not a particularly strong mutagen. [74]