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Generally, exposure to ambient manganese air concentrations in excess of 5 micrograms Mn/m 3 can lead to manganese-induced symptoms. [ 3 ] In initial stages of manganism, neurological symptoms consist of reduced response speed, irritability, mood changes, and compulsive behaviors. [ 4 ]
Over time, the marijuana gateway hypothesis has been studied more and more. In one published study, the use of marijuana was shown not a reliable gateway cause of illicit drug use. [68] However, social factors and environment influence drug use and abuse, making the gateway effects of cannabis different for those in differing social circumstances.
Toxic encephalopathy is a neurologic disorder caused by exposure to neurotoxic organic solvents such as toluene, following exposure to heavy metals such as manganese, as a side effect of melarsoprol treatment for African trypanosomiasis, adverse effects to prescription drugs, or exposure to extreme concentrations of any natural toxin such as cyanotoxins found in shellfish or freshwater ...
Cannabis use disorder is diagnosed when a person has two or more of such symptoms as craving weed, becoming tolerant to its effects, using more than intended, using marijuana even though it causes ...
Additionally, scientists discovered that participants who were heavy cannabis users also had reduced brain activity in certain areas of the brain, including the dorsolateral prefrontal cortex ...
According to a new NAS report released on Thursday, Marijuana use may raise the risk of developing schizophrenia and other psychoses. Marijuana use linked to schizophrenia, no cancer threat Skip ...
The short-term effects of cannabis are caused by many chemical compounds in the cannabis plant, including 113 [clarification needed] different cannabinoids, such as tetrahydrocannabinol, and 120 terpenes, [1] which allow its drug to have various psychological and physiological effects on the human body.
Manganese superoxide dismutase (MnSOD) is the principal antioxidant in mitochondria. Several enzymes activated by manganese contribute to the metabolism of carbohydrates, amino acids, and cholesterol. [2] A deficiency of manganese causes skeletal deformation in animals and inhibits the production of collagen in wound healing. [3]