Why does a person become a addict?Give reason.

Though everyone's path to addiction is different - whether he or she tries a drug or a behavior because it's what that person's parents or peer do, or just out of curiosity - what's common across all substance and behavioral addictions is their stunning ability to increase levels of an important chemical in the brain called dopamine. Dopamine is a molecule that ferries messages across the brain's reward center. It's what gives people the feeling of pleasure and reinforces behaviors critical for survival, such as eating food and having sex.

Explanation:

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )