Asthma inhaler provides dose only when airflow is at optimum rate

Asthma is a condition that has no cure, but can be treated with regular use of an inhaler to take in medicine. However, this can often be an annoyance for sufferers, and innovations such as the T-Haler have already tried to make the activity more fun through gamification. Now the NEXThaler is a rethinking of the device that releases the correct dose only when the user is breathing in at the optimum rate.