Dr. Mercola’s Weekly Quiz

1 Which vegetable did researchers recently suggest can be most helpful in the treatment of leaky gut?

• Broccoli

  When you eat broccoli, a compound called indolocarbazole (ICZ) is produced, which catalyzes a healthy balance not only in your gut but also in your immune system. Learn more.

• Cabbage
• Cauliflower

2 Class-action lawsuits have now been filed against Coca-Cola Co., PepsiCo, Dr Pepper Snapple Group and Dr Pepper/Seven Up Inc., charging them with false advertising for the deceptive use of this word.

• Healthy
• Diet

  Each of the three lawsuits cover a class of consumers living in New York, who between October 16, 2011, and present day purchased Coca-Cola, Pepsi or Dr Pepper brand diet beverages. Learn more.

• Sugarless

3 Even a small deficiency in this elements level may reduce your IQ by up to 15 points.

• Iodine

  Iodine is an essential micronutrient that helps alkalize your body's pH, provides your thyroid with the necessary nutrients to produce thyroid hormones, protects against cancer and is a natural antibacterial agent. Learn more.

• Calcium
• Magnesium

4 This year's Nobel Prize in Physiology or Medicine has been awarded to three U.S. biologists for their discovery of master genes that are impacted by:

• Weight
• Eating
• Sleep

  Over the long term, skimping on sleep — which is a surefire way to dysregulate your circadian clock — can contribute to a whole host of chronic health problems. Learn more.

5 As little as 120 minutes of this activity per week may reduce mortality risk in older adults.

• Weight Training
• Cycling
• Walking

  Meeting or exceeding the activity guidelines of 150 minutes of moderate activity per week in the form of walking lowered all-cause mortality by 20 percent. Learn more.

6 What is the most common mental illness in the U.S.?

• Anxiety

  According to data from the National Institute of Mental Health, the prevalence of anxiety disorders in the U.S. may be as high as 40 million, or about 18 percent of the population over the age of 18. Learn more.

• Bipolar disorder
• Depression

7 Americans are no longer alone in our fight for medical freedom of choice, as the aggressive push for mandatory compliance of this has gone international.

• Fluoridation
• Vaccines

  Italy and Australia are the latest countries to increase mandatory vaccine requirements. Learn more.

• Mercury fillings