Which of the following observations led to the discovery of vitamin A?
A) Chickens fed polished rice developed paralysis.
B) Children who regularly ate fish rarely developed a form of blindness common among children who did not eat fish.
C) Impoverished people eating a very low-quality diet were at high risk for developing pellagra.
D) Sailors on long sea voyages developed scurvy.

Question

Quizplus · Accepted Answer

The observation that children who regularly ate fish rarely developed a form of blindness common among children who did not eat fish led to the discovery of vitamin A.

Which of the Following Observations Led to the Discovery of Vitamin