Related Experiment Video
Updated: Aug 11, 2026

A Conditioned Place Preference Protocol for Measuring Incubation of Craving in Rats
Published on: November 6, 2018
Brief Report: Increased Addictive Internet and Substance Use Behavior During the COVID-19 Pandemic in China
Yan Sun1, Yangyang Li1, Yanping Bao1
1National Institute on Drug Dependence, Peking University, Beijing, China.
Background And Objectives:
The COVID-19 pandemic and control measures may have increased the risk of abusing addictive substances as well as addictive behaviors.
Methods:
We present an initial online survey in 6416 Chinese about the relation between the COVID-19 pandemic and addictive behavior in China.
Results:
During the COVID-19 pandemic, 46.8% of the subjects reported increased dependence on internet use, and 16.6% had longer hours of internet use. The prevalence (4.3%) of severe internet dependence rose up to 23% than that (3.5%) before the COVID-19 pandemic occurred, and their dependence degree rose 20 times more often than being declined (60% vs 3%). Relapses to abuse from alcohol and smoking abstinence were relatively common at 19% and 25%, respectively. Similarly, 32% of regular alcohol drinkers and 20% of regular smokers increased their usage amount during the pandemic.
Conclusion And Scientific Significance:
These three coping behaviors (internet, alcohol, and smoking) during this COVID-19-related crisis appear to have increased the risk for substance use disorders and internet addiction. (Am J Addict 2020;00:00-00).
Related Concept Videos
Drug Dependence
Drug Abuse and Addiction: Pharmacological Phenomena
CNS Depressants: Alcohol and Nicotine
Substance Use Disorders Affecting Sleep
Understanding the concepts of physical dependence,...
Stimulants
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...
Stress and Mental Health
Individuals with depression often experience challenges in both their personal and professional...

