For example, the introduction to several unfamiliar environments and likelihood of multiple journeys may contribute to an increased risk of disease and a lack of socialisation and habituation.
Er enghraifft, gall cyflwyno sawl amgylchedd anghyfarwydd a’r tebygolrwydd o sawl siwrnai gyfrannu at risg gynyddol o afiechyd a diffyg cymdeithasu a chynefino.