This document discusses the history and strategies of health activism. It provides examples of successful health activist organizations and campaigns that achieved policy changes. Some of the key points made are: - Health activism involves challenging influences that negatively impact health or create injustices. - Both conventional (e.g. advocacy, protests) and unconventional (e.g. legal action, property damage) tactics have been used, with the most effective strategies including strong leadership, evidence-backed positions, partnerships, and focusing on a single policy issue. - Examples of successful campaigns that used these strategies include the New Zealand Prostitutes Collective decriminalizing prostitution, the Treatment Action Campaign increasing access to HIV/AIDS