
Fisrt you have to know that there are different type of breathing. For example when you are running you have breath like this - every 2 steps inhale, 2 steps exhale. Breathing in this way will help you to keep running longer.
When you are in fitness and do for example bunch press you inhale when your hands are stretched and then exhale.
How to improve the size of your lungs? You can swim, ride a bike or any other cardio training. And of course if you are smoking - give up. Smoking is affecting your breathing. And it is also bad for your diet plan. So keep following our training plan and diet plan and you will reach your goal in no time. But there is a conditon for that - you have to be serious and to have the will to do it. Of course if you want to accelerate this process feel free to use some of the best suppliments.