Multiple choice general knowledge

Which is the non-contagious disease that is the most common in the world?

  1. Swine flu

  2. Cold

  3. Tooth Decay

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Tooth decay (dental caries) is the most common non-contagious disease globally, affecting people of all ages. It is caused by bacteria in the mouth breaking down sugars from food.