وظائف الهرمونين معروفة منذ وقت طويل لكن دراساتنا اقترحت أنه رُبما لها وظيفة ثالثة لم يعلم بها اي احد رُبما ايضاً تؤثر في الشيخوخة
So these functions were known for these hormones for a long time, but our studies suggested that maybe they had a third function that nobody knew about -- maybe they also affect aging.