Being exposed to "good bacteria" early in life could prevent asthma developing, say Canadian scientists.
Researchers have long known that growing up on a farm seems to protect children against allergies and now they know the secret lies in the dust, Belgian experts say.
Being exposed to "good bacteria" early in life could prevent asthma developing, say Canadian scientists.
Researchers have long known that growing up on a farm seems to protect children against allergies and now they know the secret lies in the dust, Belgian experts say.
