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The duration of cocaine use is a major contributing factor to the severity of the adverse retinal effect. [24] Cocaine use is also associated with retinal hemorrhage due to the general increase in blood pressure and blood vessel occlusion within the retina. [25]
Cocaine increases alertness, feelings of well-being, euphoria, energy, sociability, and sexuality. The former are some of the desired effects of cocaine intoxication. Not having the normal use of mental faculties by reason of the introduction of cocaine is defined drug intoxication by the laws in America, Europe, and most of the rest of the World, and it is a serious crime in specific contexts ...
This also prevents the cocaine from crossing the blood–brain barrier, negating the euphoric high and rewarding effect of cocaine caused from stimulation of dopamine release in the mesolimbic reward pathway. The vaccine does not affect the user's "desire" for cocaine—only the physical effects of the drug. [70]
Dilation and constriction of the pupil Pupillary response is a physiological response that varies the size of the pupil between 1.5 mm and 8 mm, [ 1 ] via the optic and oculomotor cranial nerve. A constriction response ( miosis ), [ 2 ] is the narrowing of the pupil, which may be caused by scleral buckles or drugs such as opiates / opioids or ...
Cocaine (from French cocaïne, from Spanish coca, ultimately from Quechua kúka) [13] is a tropane alkaloid that acts as a central nervous system stimulant.As an extract, it is mainly used recreationally and often illegally for its euphoric and rewarding effects.
Main physiological effects of crack cocaine. The short-term physiological effects of cocaine include [11] constricted blood vessels, dilated pupils, and increased temperature, heart rate, and blood pressure. Some users of cocaine report feelings of restlessness, irritability, and anxiety.
In the United States, past year cocaine users in 2019 was 5.5 million for people aged 12 or older. When broken into age groups, ages 12–17 had 97,000 users; ages 18–25 had 1.8 million users and ages 26 or older had 3.6 million users. [10] Past year cocaine users with a cocaine use disorder in 2019 was 1 million for people aged 12 or older.
Cocaine has a similar potential to induce temporary psychosis [22] with more than half of cocaine abusers reporting at least some psychotic symptoms at some point. [23] Typical symptoms include paranoid delusions that they are being followed and that their drug use is being watched, accompanied by hallucinations that support the delusional ...