Cannabis may come out as the odd one out in this list. However, it definitely brings a portfolio worth pondering about. The venomous disintegrated of the therapeutic compounds found in cannabis can be totally circumvented with vaporization. By extracting, boiling, and inhaling the essential oils present in cannabinoid afford a noteworthy mitigation of the cavity irritation from smoking. It is probably one the most pioneering herbs in the fight against cancer. That aside, Vaporizing cannabis gives room for the active ingredients to penetrate and stimulate the immune response. It also helps in clearing the sinuses and airwaves. In short, it acts as a bronchodilator. It is even a verified means of reversing asthma and treating it.