A simple cigarette contains over 7,000 chemicals, many of them deadly, and yet this addictive device is still a part of daily life for many people. Humans are responsible for finding, making, and manufacturing millions of chemicals, but when do we take responsibility for the harm they cause? Provide your readers with this compelling survey of the issues relating to our chemicals. Chapter one explains the threats that chemicals post to the environment and public health. Chapter two discusses what causes dangerous levels of toxic exposure. Chapter three examines how chemicals are endangering the water and food supply. Chapter four calls to question what the government should do to protect Americans from toxic chemicals. Sources include the Harvard Health Letter, Sonia Shah, Sandy Dechert, and Linda Sharps.