https://blogs.mercola.com:443/sites/vitalvotes/archive/2004/06/01/Even-Cicadas-Found-to-be-Full-of--Mercury.aspxThink twice before you eat one of the Brood-X cicadas. That's the latest warning from researchers who have found surprising levels of mercury in these insects. The cicadas emerge once every 17 years, and their recent emergence throughout the Eastern UnitedenCommunityServer 2008.5 SP1 (Debug Build: 31106.3070)