Weekly Health Quiz: Herbicides, EMFs and Creativity

1 Which of the following foods has been shown to lower blood pressure?

• Regular cow's milk
• Kefir and other fermented foods

  Research shows people who consume probiotics on a regular basis (in the form of yogurt, kefir or supplements, for example) tend to have lower blood pressure than those who do not consume probiotics. Learn more.

• Wheat and other grains
• Fruit

2 Which of the following is the most widely used herbicide in the world, with nearly 5 billion pounds (over 2 billion kilograms) being applied to farmland worldwide each year?

• Chlorpyrifos
• DDT
• Atrazine
• Glyphosate

  Between 1974 — the year glyphosate entered the U.S. market — and 2014, glyphosate use in the U.S. increased more than 250fold. The global use is close to 5 billion pounds a year, with approximately 300 million pounds being applied on U.S. farmland. Learn more.

3 Which of the following plant materials have been found to be helpful against ovarian cancer, reducing metastasis and slowing tumor growth?

• Hemp cannabidiol (CBD)

  Recent research suggests CBD from hemp may be helpful against ovarian cancer, reducing metastasis and slowing ovarian cancer better than the current ovarian cancer drug Cisplatin. Learn more.

• Green tea flavonols
• Resveratrol
• Quercetin

4 Self-control is dependent on the activation of your prefrontal cortex, an area that gets "short-circuited" when you're angry. Which of the following strategies has been shown to increase activity in the prefrontal cortex in as little as eight weeks?

• Taking supplemental antioxidants
• Brief daily meditation

  Scientifically proven ways to strengthen your prefrontal cortex and improve your self-control include eating a healthy diet, getting enough quality sleep, exercising regularly and managing daily stress. Brief daily meditation has been shown to increasing activity in the prefrontal cortex in as little as eight weeks. Learn more.

• Walking barefoot (grounding)
• Regular sun exposure

5 Which of the following strategies has been shown to increase creative output by an average of 60 percent?

• Sun exposure
• Grounding
• Walking

  Stanford University research shows walking increases creative output by an average of 60 percent, compared to sitting still. Walking also boosts health and increases longevity. Learn more.

• Infrared saunas

6 Which of the following sources of electromagnetic fields is the most common in residential homes?

• Electric fields

  Electric fields are the most common in modern homes, thanks to the use of unshielded wiring. It's important to measure electrical fields and not just magnetic fields when checking EMF levels, as the former can also have a very detrimental effect on your health. Learn more.

• Magnetic fields
• Radio frequencies
• Cellphones and Wi-Fi Routers

7 Which of the following statements is true?

• Fluoride should not be removed from tap water as it is easy to filter out
• Drinking fluoridated water helps prevent cavities
• Fluoride is stored in your soft tissue
• More than 180 studies show fluoride is a neurotoxin that can damage the brain

  More than 180 studies show fluoride causes neurotoxic harm. There's also evidence showing fluoride is an endocrine disruptor and that it suppresses thyroid function. Learn more.