It's a little friend asthmatics know all too well: the faithful, tiny, inhaler. Sometimes quite literally a life saver, most asthma sufferers have one and go through three or four a year. Now, in addition to allowing them to breathe, a scientist wants to use them to figure out why we get asthma in the first place.

It's a little friend asthmatics know all too well: the faithful, tiny, inhaler. Sometimes quite literally a life saver, most asthma sufferers have one and go through three or four a year. Now, in addition to allowing them to breathe, a scientist wants to use them to figure out why we get asthma in the first place.

It's a little friend asthmatics know all too well: the faithful, tiny, inhaler. Sometimes quite literally a life saver, most asthma sufferers have one and go through three or four a year. Now, in addition to allowing them to breathe, a scientist wants to use them to figure out why we get asthma in the first place.

It's a little friend asthmatics know all too well: the faithful, tiny, inhaler. Sometimes quite literally a life saver, most asthma sufferers have one and go through three or four a year. Now, in addition to allowing them to breathe, a scientist wants to use them to figure out why we get asthma in the first place.

It's a little friend asthmatics know all too well: the faithful, tiny, inhaler. Sometimes quite literally a life saver, most asthma sufferers have one and go through three or four a year. Now, in addition to allowing them to breathe, a scientist wants to use them to figure out why we get asthma in the first place.

It's a little friend asthmatics know all too well: the faithful, tiny, inhaler. Sometimes quite literally a life saver, most asthma sufferers have one and go through three or four a year. Now, in addition to allowing them to breathe, a scientist wants to use them to figure out why we get asthma in the first place.

It's a little friend asthmatics know all too well: the faithful, tiny, inhaler. Sometimes quite literally a life saver, most asthma sufferers have one and go through three or four a year. Now, in addition to allowing them to breathe, a scientist wants to use them to figure out why we get asthma in the first place.

It's a little friend asthmatics know all too well: the faithful, tiny, inhaler. Sometimes quite literally a life saver, most asthma sufferers have one and go through three or four a year. Now, in addition to allowing them to breathe, a scientist wants to use them to figure out why we get asthma in the first place.

It's a little friend asthmatics know all too well: the faithful, tiny, inhaler. Sometimes quite literally a life saver, most asthma sufferers have one and go through three or four a year. Now, in addition to allowing them to breathe, a scientist wants to use them to figure out why we get asthma in the first place.

It's a little friend asthmatics know all too well: the faithful, tiny, inhaler. Sometimes quite literally a life saver, most asthma sufferers have one and go through three or four a year. Now, in addition to allowing them to breathe, a scientist wants to use them to figure out why we get asthma in the first place.