Housing conditions significantly impact health, linking substandard housing to respiratory infections, asthma, lead poisoning, injuries, and mental health issues. Public health has long recognized housing as a critical determinant of health, with historical efforts focused on improving sanitation, ventilation, and fire safety. Today, public health can employ strategies like developing housing guidelines, implementing "Healthy Homes" programs, and advocating for affordable, healthy housing. Substandard housing is a major public health issue, contributing to injuries, asthma, lead poisoning, and mental health problems. Evidence shows that poor housing conditions increase exposure to biological, chemical, and physical hazards, which directly affect health. Additionally, concerns about housing and fear of homelessness are psychosocial stressors that can lead to mental health issues. Neighborhood-level factors also influence health, with low-income areas facing higher rates of injury, cardiovascular disease, and other health problems. Disparities in housing affect people of color and low-income populations disproportionately. Public health has a long history of involvement in housing, and recent efforts include guidelines, codes, enforcement, and Healthy Homes initiatives. These programs aim to improve indoor environmental quality, reduce exposure to hazards, and promote healthier living conditions. Public health agencies collaborate with other sectors to address housing issues, advocating for policies that ensure access to affordable, healthy housing. Despite progress, challenges remain in implementing effective solutions due to resource limitations and political factors. Public health must continue to prioritize housing as a key area for action, ensuring that everyone has access to safe and healthy housing.Housing conditions significantly impact health, linking substandard housing to respiratory infections, asthma, lead poisoning, injuries, and mental health issues. Public health has long recognized housing as a critical determinant of health, with historical efforts focused on improving sanitation, ventilation, and fire safety. Today, public health can employ strategies like developing housing guidelines, implementing "Healthy Homes" programs, and advocating for affordable, healthy housing. Substandard housing is a major public health issue, contributing to injuries, asthma, lead poisoning, and mental health problems. Evidence shows that poor housing conditions increase exposure to biological, chemical, and physical hazards, which directly affect health. Additionally, concerns about housing and fear of homelessness are psychosocial stressors that can lead to mental health issues. Neighborhood-level factors also influence health, with low-income areas facing higher rates of injury, cardiovascular disease, and other health problems. Disparities in housing affect people of color and low-income populations disproportionately. Public health has a long history of involvement in housing, and recent efforts include guidelines, codes, enforcement, and Healthy Homes initiatives. These programs aim to improve indoor environmental quality, reduce exposure to hazards, and promote healthier living conditions. Public health agencies collaborate with other sectors to address housing issues, advocating for policies that ensure access to affordable, healthy housing. Despite progress, challenges remain in implementing effective solutions due to resource limitations and political factors. Public health must continue to prioritize housing as a key area for action, ensuring that everyone has access to safe and healthy housing.