Which of the following best defines 'Illness Identity'?

The concept of 'Illness Identity' refers to how individuals perceive and define themselves based on their health conditions. This self-perception encompasses the attitudes, feelings, and beliefs a person has about their illness, which can significantly shape their experience of living with that illness. This can include how they view their role in relationships, their capabilities, and even their sense of purpose.

In contrast, a comprehensive understanding of treatment focuses specifically on the knowledge and strategies related to managing one's health rather than the individual's self-identity. General wellness beyond illness shifts the focus away from illness and could imply a more holistic view of health that does not specifically pertain to someone’s identity shaped by illness. Lastly, social identity without health influence refers to aspects of identity that are not related to health conditions, which is not applicable when discussing how illness plays a role in a person's self-view. Therefore, the best definition of 'Illness Identity' is indeed how a person's self-perception is shaped by their health conditions.