unifrib oktttrs ocnMir - Legacy Tobacco Documents Library

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diagnostie faci .).i.tios, but have also included the
dis-oovcr,y of the so
- ea7LX.od "mirac1o1/ drugs that aro so
effccti.vo in combating many respiratery diseases . Thia
very advancc, howcvor, may be contributing to the increase
in the numbor of ).unr cancer cases that we soo . Thirty
yours ago pneu monia was a highly fatal di .sease, influena
opidemi .cs were not nnusual, and tuborcu).osi.s, or consumption,
was sti .1.1 x•iunpnnt . tty curing such rospi.ratory disoases
as thcse, raodi,cine hns undoubtea9).y saved the lives of
mQny per6enE who would not otherwise ha.vC survived to
tho canoer ago . It ln .ey alco have saved the livos of
personss who wero susceptible to ar.spi ratory diseases .
In othor words, that porson who, in enr).ior ti.mos, may
ita.ve contracted and diAd of eonl3umptioll in his youth,
now Jnrvi .ves to contract lung calteel.` in his fifties or
f:i#t'.f.es .
http://legacy.library.ucsf.edu/tid/hly24f00/pdf
Yt. is my f9.rm ccnlviction that a virus agent causes
the majori'sy of cancers in the human . fitanloy, the Nobe)
pri ;me winnor in tdedicf.no for 1938, vrho was the first to
crysta).li.zo a virus and has done much wo ;rk oh cancer,
Tools thar`t most, if rot a) .)., cancers are caused by a
vi.rus . Canacre lmomn to have beon ceused in lower animn .)s
by a vfruw aro often indistiugnishnble from the same
l,ror>s and microscopic lesions in man, Well documolltod .
n.nd ceuwfuXly contro] .lod c}.perimontaX ov :idence has
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