Most commonly it is. There are other triggers. There are emotional triggers. You can induce people who get panic attacks, people who get anxious, can induce wheezing and breathing difficulties, that connection, that neurological connection in asthma is very strong.
There are also exercise-induced forms of asthma and here you would, you would start exercising, actually people start to get a little better, their asthma improves as they are exercising, but about 15 to 20 minutes later, they bottom out and they have breathing difficulties and need their Albuterol.
So, there are many different types and there’s many different triggers, even when we say allergic asthma, you could have 15-20 different types of triggers that will trigger your asthma ultimately. So we think of it like a funnel. All these different triggers come together and give you a common symptom whether it be chest tightness, wheezing, coughing, cough variant asthma, some other type of asthma, so multiple different triggers.