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Substance abuse, also known as drug abuse, is the use of a drug in amounts or by methods that are harmful to the individual or others. It is a form of substance-related disorder . Differing definitions of drug abuse are used in public health , medical, and criminal justice contexts.
Moreover, the aerial spraying of herbicides such as glyphosate used in eradication and control efforts have been shown to have negative effects on environmental and human health. [157] The "balloon effect" also operates further up the drug commodity chain in countries where drugs are trafficked rather than cultivated. Like eradication programs ...
An issue with this theory is that most addictive drugs cause an individual to build up a tolerance and the effects of the drug will decrease as an individual's tolerance increases. This requires individuals to use a higher dosage of the substance which in many causes can cause adverse side effects. [34] Dopamine is correlated with increased ...
Drug addiction, which belongs to the class of substance-related disorders, is a chronic and relapsing brain disorder that features drug seeking and drug abuse, despite their harmful effects. [28] This form of addiction changes brain circuitry such that the brain's reward system is compromised, [ 29 ] causing functional consequences for stress ...
A 2015 review concluded that "Nicotine acts as a gateway drug on the brain, and this effect is likely to occur whether the exposure is from smoking tobacco, passive tobacco smoke or e-cigarettes." [25] Nicotine may have a profound impact on sleep. [26] The effects on sleep vary after being intoxicated, during withdrawal, and from long-term use ...
A government's interest to control a drug may be based on its negative effects on its users, or it may simply have a revenue interest. The British parliament prohibited the possession of untaxed tea with the imposition of the Tea Act of 1773. In this case, as in many others, it is not a substance that is prohibited, but the conditions under ...
addictive drug – psychoactive substances that with repeated use are associated with significantly higher rates of substance use disorders, due in large part to the drug's effect on brain reward systems; dependence – an adaptive state associated with a withdrawal syndrome upon cessation of repeated exposure to a stimulus (e.g., drug intake)
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 (THC), and 120 terpenes, [1] which allow its drug to have various psychological and physiological effects on the human body.