The document discusses many common carcinogens (cancer-causing agents) that people worldwide are exposed to in their food, air, water, and consumer goods. It notes that cancer causes more deaths annually than AIDS, tuberculosis, and malaria combined. While awareness of carcinogens is growing, there is still an information gap between developed and developing nations regarding cancer prevention. Exposure to carcinogens is often beyond people's control, so the best defense is to educate oneself on limiting unnecessary exposure and making healthy choices.