On Sun, 28 Aug 2011 08:33:52 +0100, (Peter James)
wrote:

snip


For further information see the following URL's.

http://news.bbc.co.uk/onthisday/hi/d.../2/newsid_2493
000/2493567.stm

Mr Castle had never smoked, but said he contracted his illness after years of
playing in smoky jazz clubs



http://www.stopsmokingtoday.com/dync...e_Smoking.html

One US study observed that passive smoking increased the incidence of feline
lymphoma in cats and the likelihood of them developing health complications
increased the longer they were exposed to passive smoking.



Yep - that's proof if ever there was any