Yes, there are many of these kind of procedures, and here are some examples, like deep palpation and percussion, examination of the ear-drum or inside the nose
Well, without medical care humans would literally die of so many infections and diseases, we would already be on the brink of extinction. Think of the Ebola outbreak, the black flu, Hiv's. Without the help of medical care, we would not be able to sufficiently prevent sickness.<span />
During an asthma attack the muscle wall contracts and the lining of the airways becomes swollen and inflamed. These changes cause a narrowing of the airways which is further aggravated by an increase in secretions from the mucus membrane, which may actually block the smaller airways hope this helps
Lots of workouts. Do lots to increase muslce size
Most teens resist using tobacco because they know that it is bad, and if they start they might not be able to stop.
This is not a total answer, it is just my best guess. I hope this helps. If you have any other questions on this or other questions just ask. I am here to help you. As needed.