This video looks at the negative effects of internet addiction and how cognitive behavioural therapy (CBT) is used to treat it. CBT focuses on getting rid of bad habits and replacing them with alternative behaviours that are more healthy. Addiction is a complex problem that affects many people around the world. Addiction isn’t limited to substance abuse such as drug and alcohol abuse. It also includes behaviours such as internet addiction. Addiction makes someone unable to stop doing something, even though it causes them mental or physical harm.