Children, smoking and advertising: Letter to the Editor
Colin McDonald
Sir,
I am sorry that Dr Hastings, Dr Aitken and Mrs MacKintosh, in reply to my criticisms of their research (See article in Vol. 13 No. 2), have not taken up the invitation which (I hoped) was present in my article (Vol. 12 No. 3) to raise the debate to a higher level. Let us all agree that correlations cannot prove (or disprove) cause. The more valuable question, surely, is whether correlations of the kind they have admittedly found are important. Hastings...