No matter what you do, you're still going to die.
I don't care what kind of health you are in, if you watch what you eat, exercise daily, and never touch alcohol, drugs, or cigarettes you will still die.
I am here to enjoy myself while I am alive.
I smoke and I happen to believe the smell of smoke isn't nearly as bad as the pollution the chemical plant within a block from me emits.
I believe the OP is onto something.
Think back to the time of our grandparents and before.
Many of them smoked and ate farm raised foods like eggs and bacon everyday.
You just didn't hear of them dying from those lifestyles.
So maybe it's not those things killing us persay.
I do believe those things aren't that good for us but then again neither is walking down certain streets after dark.
When you're time is up it's up.
Would you rather be in perfect shape and health only to die of a heart attack at 25?
It happens all the time.
If that happened to me I'd be pissed I didn't live every day to the fullest and eat,smoke, and drink what I wanted to.
Besides, who wants to live forever in a world as fucked up as this anyway?