影视简介
Changestothebacteriathatliveinsideallofusareresponsibleforincreasingthenumberofpeoplewithallergies,suggestsnewresearch. InthisepisodeofHorizon,theshowinvestigatesthisclaimbyconductingauniqueexperimentwithtwoallergicfamiliesinordertofindoutjustwhatitisinthemodernworldthatistoblame.Witharaftofminicameras,GPSunitsan...
