https://www.healthline.com/health/addiction
An addiction is a chronic dysfunction of the brain system that involves reward, motivation, and memory. It's about the way your body craves a substance or behavior, especially if it causes a

https://nida.nih.gov/publications/drugfacts/understanding-drug-use-addiction
Addiction is a chronic disease characterized by drug seeking and use that is compulsive, or difficult to control, despite harmful consequences. The initial decision to take drugs is voluntary for most people, but repeated drug use can lead to brain changes that challenge an addicted person's self-control and interfere with their ability to

https://nida.nih.gov/publications/drugs-brains-behavior-science-addiction/drug-misuse-addiction
Addiction is defined as a chronic, relapsing disorder characterized by compulsive drug seeking and use despite adverse consequences.†. It is considered a brain disorder, because it involves functional changes to brain circuits involved in reward, stress, and self-control. Those changes may last a long time after a person has stopped taking

https://en.wikipedia.org/wiki/Addiction
Addiction is a neuropsychological disorder characterized by a persistent and intense urge to use a drug or engage in a behavior that produces natural reward, despite substantial harm and other negative consequences. Repetitive drug use often alters brain function in ways that perpetuate craving,

https://www.mayoclinic.org/diseases-conditions/drug-addiction/symptoms-causes/syc-20365112
Physical addiction appears to occur when repeated use of a drug changes the way your brain feels pleasure. The addicting drug causes physical changes to some nerve cells (neurons) in your brain. Neurons use chemicals called neurotransmitters to communicate. These changes can remain long after you stop using the drug.

https://www.merriam-webster.com/dictionary/addiction
The meaning of ADDICTION is a compulsive, chronic, physiological or psychological need for a habit-forming substance, behavior, or activity having harmful physical, psychological, or social effects and typically causing well-defined symptoms (such as anxiety, irritability, tremors, or nausea) upon withdrawal or abstinence : the state of being addicted.

https://www.psychiatry.org/patients-families/addiction-substance-use-disorders/what-is-a-substance-use-disorder
ver en español. Substance use disorder (SUD) is a complex condition in which there is uncontrolled use of a substance despite harmful consequences. People with SUD have an intense focus--sometimes called an addiction--on using a certain substance (s) such as alcohol, tobacco, or other psychoactive substances, to the point where their ability

https://www.medicalnewstoday.com/articles/323465
Addiction is a chronic condition that can also result from taking medications. In fact, the misuse of opioids — particularly illicitly made fentanyl — caused nearly 50,000 deaths in the United

https://www.psychologytoday.com/us/basics/addiction
Addiction is a multi-faceted condition, arising from the confluence of many elements—including, of course, exposure to an addictive agent. It is more accurate to think of risk factors for the

https://www.healthdirect.gov.au/what-is-addiction
Addiction is when you have a strong physical or psychological need or urge to do something or use something. It is a dependence on a substance or activity even if you know that it causes you harm. It can impact your daily life. This article describes the types, causes and signs of addiction, and where to get help.

https://nida.nih.gov/publications/drugs-brains-behavior-science-addiction/treatment-recovery
Treatment enables people to counteract addiction's disruptive effects on their brain and behavior and regain control of their lives. The Journal of Neuroscience, 21 (23):9414-9418. 2001. These images showing the density of dopamine transporters in the brain illustrate the brain's remarkable ability to recover, at least in part, after a long

https://www.addictioncenter.com/addiction/
Addiction is a chronic, relapsing brain disease defined by a physical and psychological dependence on drugs, alcohol, or a behavior. A person with an addiction will often pursue their toxic habits despite putting themselves or others in harm's way. An addiction heavily impacts the way a person thinks, feels, and acts.

https://www.asam.org/quality-care/definition-of-addiction
Addiction is a treatable, chronic medical disease involving complex interactions among brain circuits, genetics, the environment, and an individual's life experiences. People with addiction use substances or engage in behaviors that become compulsive and often continue despite harmful consequences. Prevention efforts and treatment approaches

https://www.mayoclinic.org/diseases-conditions/drug-addiction/diagnosis-treatment/drc-20365113
Diagnosis. Diagnosing drug addiction (substance use disorder) requires a thorough evaluation and often includes an assessment by a psychiatrist, a psychologist, or a licensed alcohol and drug counselor. Blood, urine or other lab tests are used to assess drug use, but they're not a diagnostic test for addiction.

https://www.nature.com/articles/s41386-020-00950-y
The view that substance addiction is a brain disease, although widely accepted in the neuroscience community, has become subject to acerbic criticism in recent years. These criticisms state that

https://www.healthline.com/health/types-of-addiction
Today, most experts recognize two types of addiction: Chemical addiction. This refers to addiction that involves the use of substances. Behavioral addiction. This refers to addiction that involves

https://fivenightsatfreddys.fandom.com/wiki/Michael_Afton
Michael Afton (also known as Mike Schmidt and Eggs Benedict) is the main protagonist of the Five Nights at Freddy's game series, first appearing with his real name in Five Nights at Freddy's: Sister Location. He is one of the sons of William Afton, and older brother of Elizabeth Afton. Contents.

https://www.medicalnewstoday.com/articles/323468
Addiction is a harmful, ongoing disorder that only gets worse over time without treatment. A range of interventions and rehabilitation programs is available, but treating addiction often requires

https://www.medicalnewstoday.com/articles/addiction-vs-dependence
Summary. Addiction and dependence are different concepts, each with their own unique characteristics. Addiction involves compulsive, harmful substance use or behaviors. Dependence is when the body

https://nida.nih.gov/research-topics/addiction-science/drugs-brain-behavior-science-of-addiction
How Science Has Revolutionized the Understanding of Drug Addiction. For much of the past century, scientists studying drugs and drug use labored in the shadows of powerful myths and misconceptions about the nature of addiction. When scientists began to study addictive behavior in the 1930s, people with an addiction were thought to be morally

https://www.medicalnewstoday.com/articles/323459
Addiction is a disease with a range of harmful conditions and behaviors. Recognizing these signs can help a person with addiction receive the treatment they need.

https://www.yalemedicine.org/news/how-an-addicted-brain-works
Addiction is now understood to be a brain disease. Whether it's alcohol, prescription pain pills, nicotine, gambling, or something else, overcoming an addiction isn't as simple as just stopping or exercising greater control over impulses. That's because addiction develops when the pleasure circuits in the brain get overwhelmed, in a way that can become chronic and sometimes even permanent.

https://nida.nih.gov/
Learn more about clinical research and how to participate in a NIDA-funded or NIDA-conducted clinical trial. NIDA's mission is to advance science on the causes and consequences of drug use and addiction and to apply that knowledge to improve individual and public health. NIDA is one of the National Institutes of Health.