Chances are most asthmatics have a metered dose inhaler (MDI) tucked away somewhere in their possession. Yet studies (like these) show too many of us do not use our MDIs correctly.
Of course improper use of your medicines will inevitably mean you're not getting as much of the medicine as you should, and may result in difficulty controlling your asthma.
Take your MDI and squirt it into your mouth. When you do this you'll note most of the medicine impacts hard on the back of...

