Intimidating Proposition 65 warnings can be found on all kinds of products manufactured or distributed in the State of California. They can seem rather terrifying at first, but within the state, they are ubiquitous, on everyday objects from power tools to potato chips, dietary supplements, leather jackets, gas pumps, coffee tables, the list goes on. All of which raises the question: if these labels are on so many things, are they actually useful in warning us of real dangers?