First, it causes several chronic respiratory ailments, including chronic bronchitis, emphysema and lung fibrosis, and is associated with an increase in respiratory infections.3 Second, it is associated with an increased incidence of a variety of cancers including lung, oral, oesophagus, pancreas and colon.4 And third, CS increases the risk of atherothrombotic clinical events such as myocardial infarction and stroke.5 The risk of death in these patients increases with increasing exposure to cigarette smoke, measured by the number of cigarettes smoked daily, the duration of smoking, the degree of inhalation and the age of initiation
They also used the leaves to barter and trade for goods
The accuracy of sniffer dogs can vary depending on various factors such as their training, experience, and the specific conditions in which they are deployed
If you have children and you smoke around them, odds are you will have seen first hand the effects of secondhand smoke on their health