The changes of the environment from a rural society, social city. People in the city, spend most of their time in the home or Office is air conditioned. Do not exercise the body weak, making infection easier. The section from birth, it is less breast milk feeding rate includes people eating more fast food. Do not get the nutrients and get anything into the body more like preservatives, etc. for the other factors that make people more allergy sufferers in the city, people who live in the suburbs or rural areas.
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