How is the secretion of melatonin influenced by light?
A) light does not affect secretion
B) light enhances secretion
C) light suppresses secretion

Question

Quizplus · Accepted Answer

Melatonin secretion is suppressed by exposure to light, especially blue light. This is because light signals the brain to reduce melatonin production and stay awake, while darkness signals the brain to increase melatonin production and prepare for sleep.

How Is the Secretion of Melatonin Influenced by Light