Home use of kerosene heaters and/or wood stoves, storage of solvents/pesticides in house, and use of flea sprays were all associated with significantly greater risk of nasal cancer in the dogs.- John Bukowski Journal of Toxicology and Environmental Health 1998 Part A; 54:579-591. A case-control study of 240 dogs with sinus cancers and 329 controls was conducted to determine association between home environment and cancer risk. All of these dogs spent most of their time indoors at home. Home use of kerosene heaters and/or wood stoves, storage of solvents/pesticides in house, and use of flea sprays were all associated with significantly greater risk of nasal cancer in the dogs.- John Bukowski et al. Environmental causes for sinonasal cancers in pet dogs, and their usefulness as sentinels of indoor cancer risk. Journal of Toxicology and Environmental Health 1998 Part A; 54:579-591.