According to different research, the initiation of CD is caused by factors including immunology, the environment, food, and genetics [57]
The longer you smoke, the higher your risk of serious illnesses that include: Cancers such as lung, throat, stomach, liver and colorectal Stroke Respiratory disease Cardiac disease Cataracts and macular degeneration Damaged gums and teeth, sometimes including tooth loss Rheumatoid arthritis Peptic ulcers Type 2 diabetes In men: erectile dysfunction, reduced fertility and increased risk of birth defects in offspring In women: lower bone density, which can lead to hip and other fractures
They only see the negative effects once they have symptoms, some of which can be severe
For reference, acetyldehyde is a cancer-causing drug, found in trace amounts in most nicotine products