WONDER #2313: What Causes White Spots on Fingernails?

Question 1 of 3

Which of the following does NOT cause white spots on your fingernails?

  1. Injury
  2. Skin conditions
  3. Kidney disease
  4. Calcium deficiency

Question 2 of 3

You read that medical myths are passed on by “word of mouth.” What does the phrase “word of mouth” mean?

  1. It means that they’re spread by doctors who are confused.
  2. It means that they’re passed verbally from person to person.
  3. It means that advertising agencies spread false information.
  4. It means people spread lies on purpose.

Question 3 of 3

According to this Wonder, what is the most common cause of white spots on fingernails?

  1. Injury
  2. Diabetes
  3. Hereditary Illness
  4. Zinc Deficiency

Check your answers online at https://www.wonderopolis.org/wonder/What-Causes-White-Spots-on-Fingernails.