What is the most logical next event?

How to lessen the risk of throat cancer 
Avoid tobacco products. 
One of the biggest causes of throat cancer is tobacco use. As a result, eliminating tobacco from your life can definitely reduce the risk of throat cancer.

Available options:
I. Common tobacco products include: cigarettes, cigars, and chewing tobacco. Long-term use of tobacco products can increase risk of throat cancer exponentially.;
II. Other tobacco-related conditions, such as alcohol, drugs, cancer medications, and tobacco used to help suppress your immune system, or cholesterol levels, can be linked to throat cancer. Avoid any tobacco products that contain alcohol, which can contribute to throat cancer, especially if they are not alcohol-free.;
III. Even if you feel that you're not getting enough benefits from nicotine, cutting back on smoking may help get rid of those benefits. Nicotine is one of the leading causes of various bad mouth habits including cavities, mouth problems, mouth infections, nausea, depression, and even low blood pressure.;
IV. Scientists have confirmed that the other components in your body associated with smoking have been neutralized to prevent the development of throat cancer. The nicotine in cigarettes stimulates the histamine receptors inside your body.;
I.