Naturally when you go out to a restaurant, you ask for a lemon in your water. Well after this article in the Huffington Post, you may not want to add lemon to your water anymore. Not only does the lemon make your water more acidic but it also harbors a large amount of bacteria. The article discusses possible reasons for an increase in the amount of bacteria on a lemon. The next time you ask for a lemon in your water, think twice.
(http://www.huffingtonpost.com/2014/01/27/lemon-germs-wedges-restaurants_n_4659168.html)