First, the good news: The iPhone 5 isn't as bad as previous phones when it comes to toxicity.  So what's the bad news? The iPhone 5 still tests high for mercury and chlorine. It also contains trace amounts of bromine, which has been linked to thyroid cancer and lung disease. “There’s no such thing as a ‘green’ phone,” says Kyle Wiens, featured in this clip as he dismantles the iPhone 5. “There’s no such thing as a phone that has no toxic chemicals.”

Wiens organization, iFixit, has the goal of helping users see the good, the bad, and the ugly for phones, often focusing on how much toxic mercury they contain and how to safely change the battery. Video after the jump. 

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