CATCH-16, Chris Snowdon again

Chris returns to argue further that smoking causes lung cancer.

CATCH-15: Dave Atherton adds his thoughts

Dave Atherton enters, arguing that smoking does cause lung cancer.

CATCH-14, Frank Davis writes

Frank claims victory!

(I haven't announced all the instalments, just when I had the time to fit it in. Please go to home page and scroll down for any that you've missed!)

CATCH-11: Chris Snowdon returns

On the question whether smoking causes lung cancer.

CATCH-8 and CATCH-9

Chris Snowdon and Rich White add further contributions to debating whether smoking causes lung cancer.