...we all know how I feel about smoking. (Come to think of it, I've felt this way my whole life about smoking.) Anyway, if you need to be really convinced to abandon your proclivity, here's a great article from US News & World Report: 12 Reasons to Really Quit Smoking
If dementia isn't a convincing enough argument, then I don't know what is.
If dementia isn't a convincing enough argument, then I don't know what is.