Dopamine is a neurotransmitter that plays a role in the reward system of the brain. While dopamine itself is not addictive, certain activities or substances that increase dopamine levels can lead to addiction. For example, drugs such as cocaine and methamphetamine increase dopamine levels in the brain, and their repeated use can lead to addiction. Similarly, activities such as gambling and sex can also increase dopamine levels and lead to addictive behaviors. Therefore, while you cannot be addicted to dopamine itself, substances or behaviors that increase dopamine levels can be addictive.