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相关概念视频

Drug Abuse and Addiction: Pharmacological Phenomena01:15

Drug Abuse and Addiction: Pharmacological Phenomena

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Drug dependence, abuse, and addiction are complex phenomena that can precipitate various abnormal states. Physical dependence refers to a state of pharmacological adaptation to a drug. This adaptation often results in tolerance—a reduced response to the drug after repeated administrations. When the drug use is abruptly stopped, withdrawal symptoms occur due to the body's need to readjust from the pharmacologically induced imbalance. However, tolerance and withdrawal symptoms do not...
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Desensitization and Tachyphylaxis01:20

Desensitization and Tachyphylaxis

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Tachyphylaxis is described as a rapid decrease in response to a drug after repeated or continuous administration of the same drug dose. It is a phenomenon where the body becomes less responsive to a particular substance or intervention over time, requiring higher doses or stronger interventions to achieve the same effect. It results from adaptive changes in the body's receptors, signaling pathways, or physiological processes that occur in response to prolonged exposure to a stimulus.
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Drug Dependence01:17

Drug Dependence

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Medications are typically administered to achieve therapeutic effects. Some drugs can modify an individual's mood and perception, frequently resulting in various enjoyable experiences. However, this can result in drug dependency, a condition marked by continuous drug use despite potential negative consequences. Drug dependency primarily falls into two categories: psychological and physical dependence. Psychological dependence occurs when the pleasurable feelings induced by the drug...
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Combined Effects of Drugs: Antagonism01:30

Combined Effects of Drugs: Antagonism

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The combined effects of drugs can result in various interactions, of which an important type is antagonism. Antagonism is a mechanism where one drug inhibits or counteracts the effects of another drug. Antagonism can occur through various means, including receptor binding, allosteric modulation, functional interaction, chemical reactions, and pharmacokinetic processes.
The most common type is receptor antagonism, where one drug acts as an antagonist to block the effects of another drug by...
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Pharmacovigilance01:19

Pharmacovigilance

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Post-marketing surveillance is a critical component of pharmaceutical regulation, often uncovering unanticipated adverse drug reactions (ADRs) once a drug is widely used over an extended period.
This process, termed pharmacovigilance, aims to detect, evaluate, and minimize harmful effects related to medication use. The data collection for pharmacovigilance depends on spontaneous reporting systems, where healthcare professionals or patients voluntarily report suspected ADRs.
In some cases, there...
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Drug-Receptor Interaction: Antagonist01:28

Drug-Receptor Interaction: Antagonist

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An antagonist is a drug that binds strongly to a receptor without activating it. An antagonist prevents other molecules, such as neurotransmitters or hormones, from binding to the receptor and triggering a cellular response. Such interaction effectively hinders the normal physiological processes mediated by the receptor, resulting in various pharmacological effects depending on the specific receptor targeted.
Antagonists can be classified as competitive or noncompetitive based on their...
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A Procedure to Study Stress-Induced Relapse of Heroin Seeking after Punishment-Imposed Abstinence
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重新回顾上之前的情况.

Shannon C Miller1, Sharon Levy, Andrew J Saxon

  • 1From the Mental Health Service, VA Medical Center, Dayton/Middletown, OH (SCM); Departments of Psychiatry & Population and Public Health Sciences, Boonshoft School of Medicine, Wright State University, Dayton, OH (SCM); Division of Addiction Medicine, Boston Children's Hospital, Boston, MA (SL); Department of Pediatrics, Harvard Medical School, Boston, MA (SL); Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, WA (AJS); Center of Excellence in Substance Addiction Treatment and Education, VA Puget Sound Health Care System, Seattle, WA (AJS); Program in Addiction Medicine, Yale School of Medicine, New Haven, CT (JMT); Division of Addiction Psychiatry, Department of Psychiatry and Behavioral Health, Renaissance School of Medicine at Stony Brook University, Stony Brook, NY (RNR); Department of Medicine, Harvard Medical School, Boston, MA (SW); Program in Substance Use and Addiction Services, Massachusetts General Hospital, Boston, MA (SW); and Friends Research Institute, Baltimore, MD (FV).

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概括
此摘要是机器生成的。

对有害物质使用的早期干预至关重要. 研究人员认为",不健康的物质使用"是一个比"先前成"更好的术语来识别需要支持的个人,但存在障碍.

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科学领域:

  • 成 药物 药物 药物 药物
  • 公共卫生 公共卫生
  • 药物使用障碍 药物使用障碍

背景情况:

  • 国家药物滥用研究所和国家酒精滥用和酒研究所建议对有害物质使用的早期识别和干预.
  • 术语"前成"已被建议作为早期干预目标的诊断标签.

研究的目的:

  • 评估拟议的术语"前成"用于早期干预物质使用.
  • 建议"不健康的物质使用"作为更合适的描述词.
  • 确定实施这种新干预模式的潜在障碍.

主要方法:

  • 对拟议的术语和干预策略的评论和审查.
  • 分析诊断标签对早期干预的影响.

主要成果:

  • "不健康的物质使用"被认为是一个比"先前成"更合适的描述词.
  • 确定了几种可能阻碍这种新范式影响的潜在障碍.

结论:

  • 采用"不健康物质使用"可能会促进更早,更有效的干预措施.
  • 解决已识别的障碍对于成功实施有害物质使用早期干预战略至关重要.