This lecture discusses ethical considerations in research participation, focusing on the compensation for biological material and the importance of informed consent. It explores the differences in regulations between countries, such as the commercialization of biological samples. The lecture also delves into the balance between utilitarian and deontological ethics in research, using the example of the Ebola epidemic to illustrate decision-making processes. Additionally, it addresses the challenges posed by genetic testing available online and the need for proper regulation to protect participants' rights and ensure scientific integrity.