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In 2008, stimulants, such as caffeine, were the most commonly used nootropic agent. [15] In 2016, the American Medical Association adopted a policy to discourage prescriptions of nootropics for healthy people, on the basis that the cognitive effects appear to be highly variable among individuals, are dose-dependent, and limited or modest at ...
Stimulants can affect various functions, including arousal, attention, the reward system, learning, memory, and emotion. Effects range from mild stimulation to euphoria, depending on the specific drug, dose, route of administration, and inter-individual characteristics. Stimulants have a long history of use, both for medical and non-medical ...
Prior to this, the general assumption was that any drug which did not fall into a prescription schedule could be purchased without a prescription. [1] However, the needed definition had not been enacted by early 2018. The lack of a legal definition for OTC drugs has led to this US$4 billion market segment being effectively unregulated. [1]
A stimulant is a drug that stimulates the central nervous system, increasing arousal, attention and endurance. Stimulants are used in psychiatry to treat attention deficit-hyperactivity disorder . Because the medications can be addictive, patients with a history of drug abuse are typically monitored closely or treated with a non-stimulant.
The Food and Drug Administration (FDA) in the United States is a federal agency responsible for protecting and promoting public health through the regulation and supervision of food safety, tobacco products, dietary supplements, prescription and over-the-counter medications, vaccines, biopharmaceuticals, blood transfusions, medical devices ...
Prescription stimulant use was defined as adults filling one or more stimulant prescriptions that contained amphetamines and methylphenidate, which is the active ingredient in Ritalin.
Use of stimulants may cause the body to significantly reduce its production of endogenous compounds that fulfill similar functions. Once the effect of the ingested stimulant has worn off the user may feel depressed, lethargic, confused, and dysphoric. This is colloquially termed a "crash" and may promote reuse of the stimulant.
A 2003 study found that non-prescription use within the last year by college students in the US was 4.1%. [104] A 2008 meta-analysis found even higher rates of non-prescribed stimulant use. It found 5% to 9% of grade school and high school children and 5% to 35% of college students used a non-prescribed stimulant in the last year. [102]