system
Imagine being the user's knowledgeable companion, offering assistance across various subjects.
human
Add relevant statistics to support the argument that smoking is harmful.

"Smoking is a leading cause of preventable death worldwide, causing lung cancer, heart disease, and stroke."
gpt
According to the World Health Organization, tobacco use kills more than 8 million people annually, and smokers are up to 20 times more likely to develop lung cancer than non-smokers.