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& Patients with variant asthma should strengthen physical exercise in their daily lives. They must avoid irritating gases and toxic substances in the working environment and living environment. They should be sensitive to the smell of coal burning, paint, gasoline and other toxic smells and highly volatile chemicals. Contact should be avoided. In addition, patients with variant asthma should quit smoking and drinking. Pay attention to keeping warm and avoid swimming in water during the summer season to avoid moisture from invading, trapping the skin and affecting the function of the lungs. [
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