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original level 16 per cent to 33 36 per cent and 16
per cent to 66 100 per cent of the original level
Mean smoking level for patients responding to the
third monthly inquiry showed a partial but not com
plete relapse but at that time only five subjects
(10 per cent) had completely stopped smoking. A num
ber of factors which were examined did not correlate
with success in stopping smoking.
(3) Possible reasons were discussed for the conflict
between the present findings and studies which have
seemed to show that lobeline can have more than a
placebo effect-
(4) That better results were not obtained is an urgent
argument for further research into methods of treating
smoking.
ACKNOWLEDGMENTS
I would like to thank Dr. H.D. Chalke, Medical
Officer of Health for the Metropolitan Borough of
Camberwell under whose auspices this clinic was conducted.
I would also like to thank Mr. Cranfield and the staff of
Dr Chalkes department for their great helpfulness in
the running of the clinic. Messrs. Uni Pharma kindly
supplied the lobeline and placebo tablets used in this
study. My thanks are due to Miss K Bluk for secretarial
assistance.