**2.1 Coping**

Coping is defined as a combination of thoughts and actions in order to deal with a threatening situation [12]. Coping can also be defined as activities in which people use a range of cognitive and behavioural strategies to deal with, moderate or endure, situations that are demanding or surpass their routine ways of dealing with these situations [13]. Information from the introduction shows that caring for MHCUs who are diagnosed with SUDs is demanding. Coping in this chapter refers to the actions or activities that the nurses do when they care for MHCUs who are diagnosed with SUDs. It is also clear from the introduction of this chapter that nurses from different countries are dealing with stressful situations when they care for MHCUs who are diagnosed with SUDs. As a result, authors of this chapter deemed it necessary to write this chapter in order to improve coping of the nurses who are caring for MHCUs diagnosed with SUDs. It should also be noted that nurses are regarded as backbones in the health care system in most countries.
