There was a Hollywood movie, The Insider , made on this subject about how the 'big tobacco' company manipulated the chemicals on the paper to make their 'big brand' more addictive
The case transformed Americans understanding of public health and corporate malfeasance, as well as shifting the discussion around advertising by writing in explicit restrictions on Joe Camel, the Marlboro man, and other campaigns targeted at young people
He notes that the FDA "initially asked companies what they would do to prevent the marketing of their products to children," but the agency later decided "it didn't think any restrictions on marketing would do enough so it stopped looking at those." Basically, the companies claim that because the specific demands of the agency have been a moving target, the rules are arbitrary and capricious in violation of federal administrative law
The proposals swiftly introduced by the administration included: Loosening standards for particulate matter 2.5 pollution, which killed approximately 460,000 people in the US from 1999 to 2020