<span>It is false that anxiety only occurs in those who have an anxiety disorder. Anyone can experience anxiety - it is a normal feeling if it is controlled well. You may be nervous before having a presentation or something, and feel anxiety, but that doesn't mean that you have an anxiety disorder. That is a serious thing that happens to some people, but can be treated properly.</span>
Catalysts in our body are called enzymes
D: permanent amnesia kicks in
The respiratory system can be damaged from smoke inhalation and tar buildup from the chemicals used in tobacco, which can also harm the heart and blood vessels. Two conditions that can be caused from smoking are Heart Disease and Lung Cancer.
