The potential risks from an excess of hygiene in the home

The most relevant and recent risks associated with an excessive hygiene are here presented. Besides general observations on the relationship between hygiene and immune system, we discuss possible acute and chronic effects due to home exposure to detergents. The specific problem of hygienic cleaning introduced on a vaste scale at home requires the comparison with similar experiences in the hospitals,, evaluation of efficacy, comprhension of risks such as the selection of resistant micro-organisms.