The lemon wedge in your drink has a bad reputation, and the evidence for it seems obvious: No one at a restaurant washes the outside of a lemon, but then they throw that wedge onto your glass, sometimes letting the rind soak right in the drink. And according to HuffPost, several studies found all kinds of germs on…
Source: LifeHacker – That Lemon Wedge in Your Drink Is Probably Filthy