According to an epidemiological survey of Taipei children carried out by Hsieh Kuei-hsiung, the head of Chang Gung Children's Hospital, the percentage of children suffering from asthma rose from 1.3 % in 1974 to 10.79 % in 1994--an eight fold increase in 20 years.
根據長庚兒童醫院院長謝貴雄針對台北市學童所做的「流行病學調查」，民國六十三年，氣喘罹病率是百分之一．三，到民國八十三年躍升為百分之十．七九，二十年來增加了八倍。