Once secret industry memos and documents demonstrate the industry's opposition to public health protections from secondhand smoke.

ASH UK paper reviews original documents (company memos) to survey the history of industry conduct on secondhands moke.

Internal documents show the tobacco industry knew about but consistently failed to warn people about the health risks from second-hand smoke.

GASP of Colorado Education Center report uses internal tobacco industry memos to show tobacco industry decisions to: coverup what it knew about secondhand smoke and its health effects; mislead the public on secondhand smoke; create the appearance of scientific controversy when there was none.