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13 plants that could kill you

By: Bryan Nelson on April 12, 2010, 12:16 p.m.

Photo: Abhijit Tembhekar/Flickr

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An apple a day might keep the doctor away, but the same can't be said for apple seeds. The seeds contain cyanogenic glycosides, and if you consume enough of the seeds, you could ingest a fatal dose. If you cut up apples for your children or prefer to eat whole apples down to the core, make sure you remove those seeds. (Johnny Appleseed never seemed so villainous!)