Medicines that contain pseudoephedrine, such as Actifed, Sudafed, and Vicks inhalers, or codeine Narcotic drugs, including marijuana Electronic cigarettes/vapes Plants, fruits, and vegetables Thank you for your attention to this matter
doi:10.1016/0041-0101(90)90154-Y
Here are some of the positive effects users have reported: Overall Better Physical Health Improved Breathing Improved Ability to Exercise (Stamina) Improved Sense of Smell Improved Sense of Smell Improved Sexual Performance Improved Endurance Improved Ability To Breathe Reduced Cough Improvements in Asthma & Other Diseases Some of the reported improvements have been quantified via surveys
But just as we find with a variety of other traditions, there are those who are truly committed to our heritage, and therefore, willing to take the risks involved for the sake of holding onto our precious traditions
However, the long term effect is controversial