According to the Center for Disease Control (CDC), cigarette smoking remains the leading preventable cause of death in the United States, accounting for approximately 1 of every 5 deaths (440,000 people) each year.
It goes on to estimate that 22.5% of all adults (46 million people) in the United States smoke cigarettes. So, if 22.5% of adults smoke and 20% (1 in 5) of all deaths each year are attributable to smoking, then the math says that if you’re smoking, IT IS KILLING YOU.
Another set of statistics indicates it is either not smart, or it is stupid, depending on your perspective, to smoke:
So, I know you’re smart, so please try to quit.