sentences:  The book goes on to state that the Pure Food and Drug Act of 1906 is not effective in arresting these trends, and real reform or consumer protection is obstructed by the powerful connections that offending corporations have with the government.If the poison is such that it acts slowly and insidiously, perhaps over a long period of years (and several such will be considered in later chapters), then we poor consumers must be test animals all our lives; and when, in the end, the experiment kills us a year or ten years sooner than otherwise we would have died, no conclusions can be drawn and a hundred million others are available for further tests.The authors develop ideas such as synergy effects, and the precautionary and substitution principles.