Scientific research has found that smoking causes more than 25 serious diseases endangering life and health, including lung cancer, emphysema, heart disease, stroke and impotence, Lu said.

The plaintiffs say they were hoodwinked into buying an addictive product and have since developed a range of smoking-related illnesses, including lung cancer and emphysema.

Smoking can cause respiratory tract a variety of diseases, including pharyngitis, emphysema, asthma, and even lung cancer.