Substance use refers to the moderate and responsible consumption of drugs or alcohol for various reasons such as socializing, relaxation, or pain management. It is characterized by controlled and occasional consumption without any negative consequences or harm to oneself or others. For example, someone who enjoys having a glass of wine with dinner or uses prescription painkillers as directed by their doctor would be considered substance users.

On the other hand, substance abuse refers to the excessive and harmful consumption of drugs or alcohol that leads to negative consequences in various aspects of a person's life, such as relationships, work, health, and legal issues. It is characterized by a lack of control over one's substance intake and the presence of risky behaviors associated with substance use. For example, someone who regularly binge drinks to the point of blacking out, neglecting their responsibilities, or getting into fights while intoxicated would be considered to be abusing substances.

In summary, substance use involves responsible and controlled consumption, while substance abuse involves excessive and harmful consumption that leads to negative consequences.
nêu những ý chính và không quá dài.làm nó như một đoạn văn ngắn

Substance use refers to moderate and responsible consumption of drugs or alcohol for various reasons, while substance abuse involves excessive and harmful consumption that leads to negative consequences. Substance use is characterized by controlled and occasional consumption without harm, such as enjoying a glass of wine with dinner or using prescription medication as directed. In contrast, substance abuse involves lack of control over consumption and risky behaviors, like binge drinking to the point of blacking out or neglecting responsibilities. Overall, substance use is about responsible consumption, while substance abuse is about harmful and excessive consumption.