unifrib oktttrs ocnMir - Legacy Tobacco Documents Library

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http://legacy.library.ucsf.edu/tid/hly24f00/pdf
tar to tho sd :in of nice . One of the subjects taught by
me at the Univers5.ty of Kansas School of Medicine is
Oncol .o ;iy, which iss the s;cionco of tumors . In 1935,
1 published a book for ms :di.cal students on cancer and
allied diseae:cs entitled "An Introdur.tf .on to Oncology" ,
I havc devoted my major interest to the sub,ject of cancer
during al7l of nry profosmional careor and have studied
porhaps as niany as 30,000 cases of caneer of all types
anci eatos over the last 4 2 years, I have been very much
intorested in cancer of the lung . A list of my gualifi--
cations and publications fs attached .
I do not bo].ievc that cancer ir, eauued by smoking
cigarettes . Those who do boliove it are forced to rely
principally on sta t irsti.cs . Statisticn, f .n my judgment,
r:how only an association between ciUarett :o smoking and
cancer ; they certainl.y do not prove cewsation . Even the
Sur geon General's Report, which really prosents only one
side of the controversy, pdults that "Statistical mothods
cannot ostabRish proof of a co .usal rele,tf .onship in an
aosociation" (page 20) . As a matter of fact, even many
of tho available stat.ir.t.ice soem inconsi.eatont with a
theory thnt cigarette amoking causes lung cancer . flhy,
for in stance, is c.nnc:er of the iung in m en twice as common
in k}ritai.n as in the Unitod States when British mon smoke
only hal£ nri many cip,aretteo as do men i.n the United