Running title: Effects of alcohol gel ingestion on cognitive functioning and psychological health Key words: alcohol gel, cognition, alcohol, homeless, anxiety 2 GLOSSARYAlcohol gel: hand sanitizer/antiseptic liquid gel, often found in hospitals and intended to be used as a supplement to hand washing.Cognition: a set of mental actions and/or thought processes related to knowledge, attention, memory, reasoning, language production, decision making etc.Digit Span: the longest list of digits that an individual can repeat back in correct order, immediately after presentation (digit span forward). Backward digit span involves the recall of items in reverse order.Executive functioning: a term which encompasses the management (regulation, control) of higher order cognitive processes, such as working memory, task flexibility, decision marking and problem solving.Frontal Lobes: one of the four main brain areas/lobes located at the fore front of the brains cerebral hemisphere, involved in motor control and cognitive activities. Prospective memory (PM): remembering to do something at some point in the futureRetrospective memory (RM): the learning retention and retrieval of events, words and people encountered or experienced in the past Verbal working memory: the mental capacity to be able to temporarily, hold, store and manipulate information in order to decide which information is needed to achieve a goal or solve a problem. It can be assessed with Digit Span. Some researchers use this term interchangeably with Short-term memory (STM) when specifically referring to Digit span forward (DSF)