Well, I'll go with the experts on this:


WOODD-DUST-EXPOSURE
NASAL-CANCER

WOOD DUST AND SINO-NASAL CANCER: POOLED REANALYSIS OF TWELVE CASE-CONTROL
STUDIES
Data from 12 case control studies conducted in seven countries were pooled
and reanalyzed in an effort to examine the relationship between wood dust
and sino/nasal cancer. There was a high risk of adenocarcinoma among male
employees in wood related occupations, with the greatest risk found for
those in jobs with the highest wood dust exposure and increased duration of
exposure. The risk of adenocarcinoma was also greater among women employed
in wood related jobs. An excess of squamous cell carcinoma appeared in women
in dust exposed jobs, which increased with the duration of exposure, but
only men employed for 30 or more years showed an increased risk of squamous
cell carcinoma. The authors conclude that the study provides strong support
to the link between wood dust exposure with various occupations and the risk
of sino/nasal adenocarcinoma, but the evidence with regard to squamous cell
carcinomas is ambiguous.

American Journal of Industrial Medicine, 28(2):151-166, 1995. (36
references)

http://infoventures.com/osh/abs/wood0002.html