Health care or healthcare is the maintenance or improvement of health via the prevention, diagnosis, and treatment of disease, illness, injury, and other physical and mental impairments in human beings. Healthcare is delivered by health professionals (providers or practitioners) in health professions, physicians, physician associates, dentistry, midwifery, nursing, medicine, optometry, audiology, pharmacy, psychology, and other health professions. It includes the work done in providing primary care, secondary care, and tertiary care, as well as in public health.
This Issue comprises of articles related to Nursing and Health Care Diversity.

Community-based participatory research (CBPR) is a partnership approach to research that equitably involves, for example, community members, organizational representatives, and researchers in all aspects of the research process and in which all partners contribute expertise and share decision making and ownership.The aim of CBPR is to increase knowledge and understanding of a given phenomenon and integrate the knowledge gained with interventions and policy and social change to improve the health and quality of life of community members.
This issue includes all the artciles related to Community based health care.

This special issue on nursing and health care covers the following four major topics: oral health in the United States (US); chronic non-communicable conditions; maternal and child health; and immigrant health. Each topic strives to meet the mission of the Diversity and Equality in Health Care and is vital to improve the health of diverse populations.

This issue covers a wide variety of topics from different countries and regions in the world: premarital screening programs in Nigeria, effects of different types of insulin in Italy, Native American health in the United States (US), mental health among physicians in Iraq, and childhood weight issues in Spain. Women’s health is a significant public health issue in Nigeria.

Previous studies on women’s health in Nigeria examined intimate partner violence, sexual health and autonomy, childbirth care, and reproductive health. Marriage is considered a remarkable event in the individuals' lives, as they work on starting a family, and through which the individual ushers a new stage in terms of building the emotional, social, familial, and healthy relationships. And it also guarantees preventing the couple from the hereditary and infectious diseases; in order to build a happy, stable family, getting along well. Mental health is a level of psychological well-being, or an absence of mental illness.It is the "psychological state of someone who is functioning at a satisfactory level of emotional and behavioural adjustment.

According to the World Health Organization (WHO), mental health includes "subjective well-being, perceived self-efficacy, autonomy, competence, inter-generational dependence, and self-actualization of one's intellectual and emotional potential, among others.