45. What future experiment did the scientists say the latest research could lead to?
(A) Tests on humans to see if the results confirm the mice findings.
(B) Tests to see what other body processes can cause gray hair.
(C) Studies to find out what causes different hair colors in humans.
(D) Studies on whether stress could cause changes in body tissues.
詳解 (共 2 筆)
未解鎖
Graying hair is jus...