trying to kick the habit for good. >> reporter: joel brown, wjz news. >>> the warning on chantix is for side effects including depression and suicidal thoughts. the fda is calling for new research. >>> it turns out those graphic cigarette labels are already doing their job. warning labels will not actually appear on cigarette packs until next year, but they were unveiled last month to help get the word out. >>> still to come tonight on wjz eyewitness news. >> danger on the water. i'm mike hellgren with the latest on two water rescues including one that claimed the life of a 6-year-old. the frantic efforts ,,,,,,,,,,,,