Weekly Health Quiz: Bees, Sunscreen and Autism

1 How much of global food crops are either wholly or partly dependent on pollination by insects such as bees?

• None
• 75%

  More than 75% of the world's food crops depend on bees and other pollinators, either wholly or in part, as do 90% of wild flowering plants. Learn more.

• 25%
• 50%

2 Which of the following companies was found to have been aided by a CDC official in its efforts to influence World Health Organization officials into relaxing its sugar limits?

• PepsiCo
• Proctor and Gamble
• The Coca-Cola Company

  Email correspondence obtained via FOIA requests reveal a (now former) CDC official provided aid and guidance to Coca-Cola in efforts to influence World Health Organization officials into relaxing its sugar limits. Learn more.

• Johnson & Johnson

3 Which of the following sunscreen ingredients have been scientifically verified to be safe for human use?

• Oxybenzone
• Avobenzone
• Vitamin A derivatives retinol and retinyl palmitate
• Non-nano-sized zinc oxide and titanium dioxide

  Of the 16 active sunscreen ingredients used in products on the U.S. market, only two — non-nano-sized zinc oxide and titanium dioxide — have been deemed safe for human use by the FDA. Learn more.

4 Which of the following foods contain a compound found to be helpful in the treatment of schizophrenia, Alzheimer's and autism?

• Broccoli

  Broccoli contains sulforaphane, a compound shown to benefit patients with schizophrenia, Alzheimer's disease and autism spectrum disorder. Learn more.

• Horseradish
• Radishes
• Green beans

5 Green beans are ready to harvest when:

• The beans are over 10 inches
• The beans are no fatter than a pencil and crisp

  Green beans are ready to harvest when they are no fatter than a pencil and are crisp. Store them on the counter with the stems on and in the refrigerator after you've removed the stems. Learn more.

• The beans are bulging
• The beans have turned yellow

6 Which of the following substances has been shown to lower IQ in children?

• Magnesium
• Vitamin D
• Fluoride

  Animal and human studies have linked fluoride exposure in utero and/or in early childhood to the disruption of various aspects of brain function; 53 human studies have linked it to loss of IQ. Learn more.

• Omega-3