earliest tobacco use evidence for human of in the Pleistocene Americas Earliest known use of tobacco

Signs of nicotine poisoning in cats and dogs Pets can react to nicotine poisoning very quickly, generally within 15 to 60 minutes following ingestion

NIH study finds hospitalizations increase for alcohol and drug overdoses

But many Indigenous traditions across the Americas treated tobacco as sacred, ceremonial, medicinal, diplomatic, or some combination of the above

GBD 2017 Risk Factors Collaborators: Global, regional, and national comparative risk assessment of 84 behavioural, environmental and occupational, and metabolic risks or clusters of risks for 195 countries and territories, 19902017: a systematic analysis for the Global Burden of Disease Study 2017

Conflict of interest statement The authors state that they have no conflicts of interest