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3,4-Methylenedioxyamphetamine (MDA), sometimes referred to as sass, is an empathogen-entactogen, stimulant, and psychedelic drug of the amphetamine family that is encountered mainly as a recreational drug. In its pharmacology, MDA is a serotonin–norepinephrine–dopamine releasing agent (SNDRA).
MDA Space (formerly MacDonald, Dettwiler and Associates) was founded in 1969 by John S. MacDonald and Vern Dettwiler in the basement of MacDonald's Vancouver home. [2] The company became a subsidiary of Orbital Sciences Corporation (OSC) from the United States on 17 November 1995.
Entitled The MDA Kevin Hart Kids Telethon, the new two-hour telethon was seen exclusively through participating social media platforms; the event was broadcast October 24, 2020, at 8 p.m. EDT. [65] The special was a dual-charity event, with proceeds going towards both MDA and "Help From The Hart", an organization founded by the aforementioned ...
MDA (company), a Canadian space technology company Magen David Adom, Israel's emergency medical, disaster, ambulance and blood bank service; Malaysia Design Archive, a non-profit private organization
The Missile Defense Agency (MDA) is a component of the United States government's Department of Defense responsible for developing a comprehensive defense against ballistic missiles. It had its origins in the Strategic Defense Initiative (SDI) which was established in 1983 by Ronald Reagan and which was headed by Lt. General James Alan Abrahamson .
[116] [159] MDA is an entactogen, stimulant, and weak psychedelic similarly to MDMA. [18] Like MDMA, it acts as a potent and well-balanced SNDRA and as a weak serotonin 5-HT 2 receptor agonist. [152] [157] [158] However, MDA shows much more potent and efficacious serotonin 5-HT 2A, 5-HT 2B, and 5-HT 2C receptor agonism than MDMA.
The MDA Labor Day Telethon [1] was an annual telethon held on (starting the night before and throughout) Labor Day in the United States to raise money for the Muscular Dystrophy Association (MDA). The Muscular Dystrophy Association was founded in 1950 with hopes of gaining the American public's interest. [ 2 ]
It is the N-hydroxy homologue of MDA, and the N-desmethyl homologue of MDHMA. MDOH was first synthesized and assayed by Alexander Shulgin. [2] In his book PiHKAL (Phenethylamines i Have Known And Loved), Shulgin listed the dosage range as 100–160 mg, and the duration as approximately 3–6 hours. [2]