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What is mercury?
Mercury is a metal that can be harmful if you breathe it in or swallow it. There are three types of mercury:
Most batteries do not contain mercury.
Mercury poisoning is rare. If you are pregnant, breastfeeding or may become pregnant, be careful around spilled mercury and limit the amount of fish you eat. Mercury may harm your baby.
For more information, including symptoms and what to do about mercury, see:
Last Updated: 05/16/2016