There are households, and slum populations are massively. There are a lot of people and homes, causing environmental problems and health was not hygienic conditions. So, it's a problem to the community health.
Slums with houses and the population is very dense. The people and residential lots. Causing environmental problems. Health and unhygienic The community has problems of health.
The slums are houses and population are dense. Having people and housing). Problems in environmental, health and poor hygiene. Therefore, community, and health problems.