Elissa Lerner: Plenty of confusing news about dietary laws lately. First, there was the whole lox fiasco, claiming that the beloved Jewish bagel topping was not kosher due to parasites in salmon. Unfortunately, few news organizations noticed when that was debunked two days later. Bigger news though. Cigarettes may contain pig’s blood!Thanks to Dutch research, Muslims, Jews and even vegetarians now have an extra reason to kick the habit.