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Question of the Day

High doses of vitamin A or its precursor (beta-carotene) may raise the risk of all but one of the following. Which one?

  • Colon cancer
  • Lung cancer
  • Liver damage
  • Birth defects
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Which is the best source of selenium?

  • Whole-wheat bread
  • Spinach
  • Fortified breakfast cereal
  • Supplements
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Which can impair the immune system if taken in large doses?

  • Copper
  • Iron
  • Zinc
  • Citamin A
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All but one of these foods are good sources of potassium. Which one is not?

  • Bananas
  • Milk
  • Dry beans
  • Rye bread
  • Chicken
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Getting enough calcium may help cut the risk of which cancer?

  • Breast cancer
  • Bladder cancer
  • Colon cancer
  • Prostate cancer
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Which B-vitamin can cause nerve damage if taken in high doses?

  • Thiamin (B-1)
  • Riboflavin (B-2)
  • Niacin (B-3)
  • Pyridoxine (B-6)
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If you are older than 55, which is the best source of vitamin B-12?

  • milk
  • poultry
  • Eggs
  • Green leafy vegetable
  • Vitamin supplement
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The B-vitamin folate may help prevent all but one of the following. Which one?

  • Heart disease
  • Stroke
  • Prostate cancer
  • Colon cancer
  • Birth defects
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