Human: I've heard there are new types of cancer causing agents in the environment. How can I find out what they are? Assistant: 
You may want to research environmental causes of cancer, such as air pollution and chemicals in food and water. You could also look for information about potential carcinogens that have been identified by government agencies or scientific organizations. Additionally, you could consult with a doctor who specializes in oncology and ask for advice on how to reduce your risk of developing cancer.