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May 21 : A new study has found that a toxic substance, made by certain types of bacteria found in house dust, may reduce the risk of developing the allergic skin condition eczema or wheezing in children if they are exposed to it up to age of 3.

The toxic substance, Endotoxin is an element of the cell wall of gram-negative bacteria, a type of bacteria that repeatedly causes disease. Endotoxin is released when the bacteria dies or is damaged.

The new study found that the lower amount of endotoxin in young children

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