make the things the reader might've been confused about section fit the theme of the following, but related to the topic of household economic instability: "I am unsure how the decisions related to chemical and toxicology differ so greatly across countries (I thought the evidence would be effective enough to provoke policy in all places - EU and US in this case); I don't understand how this was previously tested for safety or why such high levels were permissible if they have been previously tested for safety