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Weekly Health Quiz: Sleep, Exercise and Recycling

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This is an older article that may not reflect Dr. Mercola’s current view on this topic. Use our search engine to find Dr. Mercola’s latest position on any health topic.

1 Commonly used chemotherapy drugs are made from powerful alkaloid compounds found in which plant?

  • Daffodil
  • Goldenseal
  • Tobacco
  • Periwinkle

    Vinca alkaloids found in rosy periwinkle are the second most-used class of cancer drugs, and have been in use since the 1960s. Learn more.

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