Yes it can. Mine was always super mild before (was an elite endurance athlete) and now wham bam I have bad asthma that is made worse by pollen and food allergies
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Deleted69w
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Anonymous69w
I was just boutta say
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Anonymous69w
Can asthma develop in your 20s?
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Anonymous#368w
This was supposed to be in response to OP asking “can you develop asthma in your 20s”