INTRODUCTION
A Challenge to the Chief Medical Officer 6
by Lord Harris of High Cross
PART ONE
Questions and Answers about ETS 19
PART TWO
Epidemiology and ETS 27
PART THREE
Examining the Evidence on ETS 34
APPENDICES
I:Risk factors for lung cancer independent of smoking 42
II:ETS,ventilation and everyday risks 45
III:Glossary of terms 50
TABLES
1:Studies on ETS and lung cancer 35
2:Some risk factors for lung cancer independent of cigarette smoking 43
3:How many cigarettes are needed to reach dangerous levels
of pollution in an enclosed environment?46
4:Relative dose estimate of respirable suspended particles in typical
active smokers and non-smokers exposed to ETS 47
5:Everyday risks 49