All Choked Up: Smog and Your Skin Quiz
by Staff
The foul stench of smog may cause you to choke and cough. But in addition to damaging your lungs, smog can also damage your skin. Do you have the knowledge to protect your dermis from pollution?

What is smog made of?

  • ozone
  • carbon monoxide, nitrogen dioxide, sulfur dioxide and lead
  • dust, soot and smoke
  • all of the above

How does the ozone layer protect your skin?

  • It blocks the sun's ultraviolet (UV) rays.
  • It prevents space dust from entering the atmosphere.
  • It keeps vital nutrients inside our atmosphere.

True or false: People who live in polluted areas have a higher risk of developing eczema.

  • true
  • false

What type of skin is most susceptible to skin damage from pollution?

  • fair skin
  • mature skin
  • sunburned skin

Which of the following helps to combat the affects of smog on your skin?

  • antioxidants
  • sunscreen
  • moisturizer
  • all of the above

What are antioxidants?

  • carbon, scandium and aluminum
  • lactobacillus acidophilus, helicobacter pylori and bifidobacterium longum
  • potassium, magnesium and nitrogen
  • vitamins, minerals, carotenoids and polyphenols

What are the most well-known antioxidants?

  • vitamins B6, B12 and C, and the mineral sodium
  • vitamins A, C and E, and the mineral selenium
  • vitamins A, D and K, and the mineral calcium

What do free radicals steal from your skin?

  • oxygen
  • selenium
  • calcium
  • beta-carotene

Which of the following skin problems is not associated with free radicals?

  • wrinkles
  • acne
  • sunburn
  • rashes

In addition to skin problems, free radicals do harm inside your body. Which of the following conditions is not associated with free radicals?

  • Parkinson's disease
  • cancer
  • diabetes
  • Alzheimer's disease