Changes to the bacteria that live inside all of us are responsible for increasing the number of people with allergies, suggests new research. In this episode of Horizon, the show investigates this claim by conducting a unique experiment with two allergic families in order to find out just what it is in the modern world that is to blame. With a raft of mini cameras, GPS units an...
布兰妮·斯皮尔斯,艾琳·李·卡尔,西蒙·考威尔,罗茜·欧唐内,凯文·费德兰,萨姆·卢特菲,林恩·斯皮尔斯,Mark,Vincent,Kaplan,Jenny,Eliscu,Tania,Baron,Adnan,Ghalib,John,James,Nazarian,Tony,Chicotel,Lorilee,Craker,Howard,Grossman,James,Edward,Spar,Felicia,Culotta,Jordan,Miller,Adam,Streisand
昆汀·塔伦蒂诺
马特·勒布朗,Chris,Harris,Rory,Reid
阿瑟·肯尼迪
Leo,Baker
马克·伯恩斯,斯蒂夫·博加尔特,乔纳森·阿里斯
