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Weekly Health Quiz: Plants, Parasites and Potassium

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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 Which of the following plant compounds has been found to offer significant protection against age-related decline in lung health?

  • Flavonoids

    Anthocyanins, a type of flavonoid, have been shown to slow the gradual decline in lung health associated with aging. Those in the highest quartile of anthocyanin intake, compared to those in the lowest quartile, had a significantly reduced annual decline in three lung function measurements over time. Learn more.

  • Ascorbic acid
  • Vitamin E
  • Carotenoids

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