Abstract
Purpose: To explore the relationship between different amounts of physical exercise and drug craving in individuals with substance-use disorders (SUD), and to reveal the mediating role of internal inhibition between physical activity and drug craving. Method: This study adopted the Physical Activity Rating Scale, Internal Inhibition Scale, and Drug Craving Scale to assess 438 cases of SUD in a compulsory isolation detoxification center in southwest China. Results: (1) The amount of physical exercise individuals with SUD engaged in was positively correlated with internal inhibition and negatively correlated with drug craving, while the amount of physical exercise was negatively correlated with drug craving. (2) The amount of physical exercise was able to negatively predict drug craving in addicts, the amount of physical exercise and internal inhibition were able to jointly predict drug craving, and internal inhibition played a mediating role between the amount of physical exercise and drug craving (the mediating effect was 0.22). (3) There was a dose-effect relationship regarding different amounts of physical exercises and drug craving. Internal inhibition did not mediate between a low amount of physical exercise and drug craving, it played a partial mediating role between a moderate amount of physical exercise and drug craving (the mediating effect was −0.19), and it played a partial mediating role between a high amount of physical exercise and drug craving (the mediating effect was −0.15). Conclusions: Physical activity has a positive effect on reducing drug craving in individuals with SUD. Moreover, in the process of sports rehabilitation for SUD, medium or high amounts of physical activity were required in order to effectively reduce and alleviate drug cravings.
Highlights
Introduction published maps and institutional affilDrug abuse is a global problem that poses a threat to public health and social development
This study found that physical exercise is significantly negatively correlated with This study found that physical exercise is significantly negatively correlated with drug craving for drugs addicts, which proves that physical exercise has a positive impact drug craving for drugs addicts, which proves that physical exercise has a positive impact on drug craving for individuals with substance-use disorders (SUD), which is consistent with previous research
This study found that physical exercise is significantly negatively correlated with drug craving for drugs addicts, which proves that physical exercise has a positive impact on drug craving for individuals with SUD, which is consistent with previous research [18,39,40]
Summary
Drug abuse is a global problem that poses a threat to public health and social development. Drug addiction seriously damages the physical and mental health of individuals with substance-use disorders (SUD) and causes various terrible social problems that seriously affect the social order [1]. 2.404 million cases of SUD in China by the end of 2018, which accounts for 0.18% of the national population [2]. It should be noted that, in addition to the large total number of drug users, the high relapse rate is another major reason for the drug epidemic. The drug relapse rate in China is around 90% [3]. Studies show that drug addiction and relapse behavior in cases of SUD are affected by multiple factors. Drug craving is one of the most important factors concerning recurrent iations
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