Addiction

1. How people become addicted

2. Causes

3. Alcoholism

3.1. Causes

3.1.1. Depression

3.1.2. broken families

3.2. How people become addicted

3.3. Effects of addiction

4. Internet addiction

4.1. Effects of addiction

4.1.1. Morphine

4.2. Effects of addiction

4.2.1. Subheading

5. Gambling

5.1. Causes

5.2. How people become addicted

5.3. Effects of addiction

6. Tea addiction

6.1. Causes

6.2. How people become addicted

7. Heroin

7.1. Polish heroin