Bullying takes many forms, from verbal insults and social exclusion to physical violence. It has serious negative consequences for victims' mental health and development. The document discusses different types of bullying, including cyberbullying, and provides statistics on bullying in Argentina. It advocates speaking out against bullying and breaking the "law of silence." The story of Amanda Todd, who took her own life after being bullied for years starting at age 13, illustrates the real harm caused by bullying.