Worried about your lungs amidst rising pollution? 3 ways to test them

The breath-holding test provides a fast method to evaluate your lung capacity together, with breathing control abilities. Take a deep breath before you attempt to hold your breath, for as long as you can. People with healthy lungs usually manage to hold their breath between 30 to 50 seconds. Your doctor needs to evaluate your lung capacity when you cannot hold your breath for more than 20 seconds