A person's state of health shapes their life opportunities such as education, employment and social participation. People with poor health often have more difficulty finding a job and keeping it, so are more likely to be poor and in need of services. People experiencing disadvantages such as inadequate housing, unemployment and poverty often experience poor health as well but cannot afford adequate health services including preventive care. People with physical and/or mental disabilities also face social exclusion if they have difficulty accessing services and workplaces. People with mental illness frequently experience housing problems and form a significant proportion of the homeless population.