Dr. Mercola’s Weekly Quiz

1 What is the No. 1 supplement recommended by cardiologists for all patients?

• Vitamin D
• Magnesium
• Selenium
• CoQ10

  CoQ10 helps protect your mitochondrial membranes from oxidative damage and has been shown to be helpful for a number of health conditions rooted in mitochondrial dysfunction. Learn more.

2 Chlorpyrifos is a deadly organophosphate insecticide found in 87 percent of newborns. Which of the following health problems is NOT associated with its exposure:

• Lung cancer
• Reduced IQ
• Diabetes

  Chlorpyrifos is an organophosphate insecticide known to disrupt brain development in children, and has been linked to lung cancer and Parkinson's disease in adults. Non-organic foods are a major source of exposure. Learn more.

• Parkinson's disease

3 The U.S. has a massive drug addiction problem. Before switching to heroin, 80 percent of addicts report starting out on:

• Over-the-counter pain pills
• Opioid painkillers

  The massive increase in opioid sales has been blamed on an orchestrated marketing plan aimed at misinforming doctors about the addictive potential of these drugs. Learn more.

• Statins
• Antidepressants

4 Which of the following strategies is not a good way to strengthen your sense of gratitude?

• Saying grace at each meal
• Expressing gratitude for useless or insignificant things
• Smiling and giving hugs
• Focusing on how you've benefited from another person's actions

  According to psychologists, the practice of openly sharing what you're grateful for is a ritual that fosters both happiness and health. Learn more.

5 Research suggests the following attitude can help you live a happier, healthier and longer life:

• Sentimentality
• Gratitude

  One way to harness the positive power of gratitude is to keep a gratitude journal, where you actively write down what you're grateful for each day. Learn more.

• Empathy
• Sympathy

6 Alma Deutscher is the musical prodigy many believe is more gifted than Mozart. How old was she when she premiered her first, full-length opera?

• 6
• 9
• 10
• 11

  Alma is frequently compared to Wolfgang Amadeus Mozart, but Alma insists she would rather be the first Alma than the second Mozart. Learn more.

7 There are several ways to improve mitochondrial function and physical health. The most powerful intervention appears to be:

• Cyclical ketogenesis
• Fasting

  Water fasting provides many benefits, from mental clarity to radically improving your body's ability to regenerate and increase healing stem cells. Learn more.

• Running or other endurance exercises
• Cold thermogenesis