Weekly Health Quiz: Iron, Cooking Oils and Back Pain

1 Which of the following cooking oils is harmful and should be avoided to safeguard your health?

• Coconut oil
• Olive oil
• Canola oil

  Vegetable oils such as canola and corn oil are highly damaging and should be avoided to safeguard your health. Healthy cooking oils include coconut oil, olive oil, grass fed butter and ghee. Black seed oil is another healthy fat that many forget about. Learn more.

• Pastured lard

3 The following populations are at highest risk for iron overload:

• Adult men and postmenopausal women

  Most adult men and postmenopausal women are at risk for iron overload and need to be mindful of their intake since they do not lose blood on a regular basis. Blood loss is the primary way to lower excess iron. Learn more.

• Children of both sexes
• Teen boys and girls
• Pregnant women

4 The following essential oil is known as the King of Oils:

• Eucalyptus
• Frankincense

  Frankincense essential oil — known as the King of Oils — is made from the resin of either the Boswellia sacra or Boswellia carterii tree. Learn more.

• Ginger
• Helichrysum

5 The following is the most common hobby among centenarians around the world:

• Jogging
• Crossword puzzles
• Gardening

  Research shows gardening is the most common hobby among centenarians around the world, suggesting the benefits it provides may help maximize your longevity. Learn more.

• Watching TV

6 The clothing fiber most associated with heavy environmental damage, including its devastating impact on fresh water supplies, is:

• Silk
• Polyester
• Wool
• Cotton (nonorganic)

  Nonorganic cotton is one of the fibers Dooley reveals as doing the most harm to the environment, particularly as it relates to its devastating impact on fresh water supplies. Learn more.

7 One of Dr. Dean Ornish's greatest accomplishments is:

• Getting approval for his health program though the Medicare system

  Clinical research shows you can reverse not only Type 2 diabetes and high blood pressure but also heart disease through lifestyle changes that can be boiled down to "Eat well, move more, stress less, and love more." Learn more.

• Establishing that low-fat diets decrease heart disease
• Conducting multiple studies confirming that lifestyle modifications can reverse heart disease
• Writing "The Myth of High-Protein Diets," for the NY Times critical of diets high in animal fats and proteins