Which of the following factors is a risk factor for substance abuse?

A family history of addiction is a significant risk factor for substance abuse. This is primarily because genetic predispositions can influence an individual's susceptibility to developing addictive behaviors. When family members have a history of substance abuse disorders, it may increase the likelihood that subsequent generations will also struggle with similar issues, as both environmental and genetic components play a role in addiction.

In contrast, involvement in team sports, positive peer relationships, and strong family support are typically considered protective factors against substance abuse. Engaging in sports can promote healthy habits and provide positive social interactions, while supportive family environments and healthy friendships can help individuals cope with stress and avoid harmful behaviors. Being surrounded by positive influences tends to lower the risk of substance abuse rather than increase it.