The risk of developing dementia has been associated with several conditions, including alcohol abuse (alcohol-related dementia), chronic traumatic encephalopathy, drug side effects, depression, and other central nervous system disorders.9–15 Establishing a link between associated risk factors and dementia may provide appropriate means of treatment and counseling, thereby reducing the risk of dementia and costs of treatment.

Carbon monoxide (CO) poisoning is a common and important cause of death among populations, including populations in the United States, and England and Wales.16 Approximately 15,000 unintentional nonfire related episodes of CO poisoning have been reported annually in England and Wales, leading to 50,000 emergency department visits and 500 deaths.