Does mercury light bulbs cause cancer?

Mercury fumes are toxic--you do not get these from mercury vapor lamps--well maybe if you break one but even that would be very minimal. No need to worry.
 
There is no proven correlation between mercury and cancer in humans. In some experiments, mercury led to tumor growth in rats and mice. But no human connection has been proven yet.

Mercury does have a significant number of health risks if people are exposed to it. If a CFL bulb breaks, there are detailed cleanup instructions that should be followed for safety reasons.
 
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