Commun Med (Lond). 2026 Mar 3. doi: 10.1038/s43856-026-01482-0. Online ahead of print. ABSTRACT BACKGROUND: The urbanization of African populations adopting Westernized lifestyles might be connected to changes in microbial exposure and immune system activity that are harmful to health and increase the risk of non-communicable diseases, such as immune-mediated diseases.

