Mixture of 60 percent helium and 40 percent oxygen, when inhaled by the chronic obstructive pulmonary disease (COPD) patients, provides comfort in the breathing during physical treatment, according to the trials conducted in the Canada.
“The common conditions that can be included in the COPD are exacerbation of chronic bronchitis and emphysema. The high concentrated gaseous [...]

When our body feels some irritation in the respiratory system, it sends a cough impulse to our brain which sends the orders to the muscles of abdomen and diaphragm to give a powerful thrust of air to the lungs to push out the irritant. There are some individuals who cough to let go nervous tension.
Sometimes [...]