translation.ar: وظائف الهرمونين معروفة منذ وقت طويل لكن دراساتنا اقترحت أنه رُبما لها وظيفة ثالثة لم يعلم بها اي احد رُبما ايضاً تؤثر في الشيخوخة
translation.en: 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.