Chronic high blood pressure combined with heart failure can push fluid into the lungs.
Any limitation or damage to the respiratory system will mean less oxygen for the whole body, and thus less power to drive all body processes.
Marijuana is safer than cigarettesBurning plant material can irritate your lungs. You may be more susceptible to Bronchitis.Try vaporizing the marijuana which heats it up but does not burn it. This...
Lung cancer and hard breathing
The "cause" of the respiratory system would be evolution.
1. asma 2. bronchitis 3. pneumonia 4. tuberculosis 5. lung cancer