First, it's important to understand addiction, and treat it with the same urgency as any other chronic and disabling disease. Anyone can develop addiction, but some people are at higher risk, such as those with a family history, and people who begin using alcohol or other drugs before their bodies and brains are developed. Next, help loved ones see that they need help, hold them accountable, and support them throughout treatment. More tips for intervening can be found in this guide: Helping someone who might have a drug or alcohol problem.