Alleviating Allergies
5 Live Science Podcast
00:00
The Role of Environment in Allergy
Smaller family groups and people who lived in the city were more likely to develop an allergy. David Strachan thought it was because they were getting less exposure to germs around them. But now we think of the old friends hypothesis, that all that environment is shaping our immune system rather than how sterile we have been.
Transcript
Play full episode
