baseball players chewing tobacco Knocking smokeless out of the ballpark – Chicago Tribune Tobacco: Baseball's dangerous tradition

Sources: Science Daily: Secondhand Smoke is a Threat to Pets, 09/03/07 PetMD: Risks of Second Hand Smoke for Dogs and Cats, 06/23/14 American Journal of Epidemiology: Environmental Tobacco Smoke and Risk of Malignant Lymphoma in Pet Cats, 04/17/02 Association for Pet Obesity Prevention: 2014 Obesity Facts and Risks American Journal of Veterinary Research: Urinary Biomarkers to Assess Exposure of Cats to Environmental Tobacco Smoke, 04/07 Healthy Pets: How Cigarettes and Smoking Impact Your Pets Health, 09/17/09 Centers for Disease Control and Prevention: Health Effects of Secondhand Smoke, 02/17/16 National Canine Cancer Foundation: Nasosinal Tumors

Parents who smoke put their children at risk of SIDS, also known as sudden infant death syndrome, and asthma symptoms

Fertil Steril 2008, 90(2):278-283

Lay down tarps or plastic sheeting first, since some bits may fall