Hadi Mujlli has completed his PhD in a global medical research entitled “Effect of Khat on ACI” from Central South University (CSU), Xia Ya Medical College, Chan Sha city, Hunan Province, PR China 2006. He was a Head of Internal Medicine (2007-2014), Thamar University, Thamar Medical College, Lecturer of neurology. He has published more than 10 papers in reputed journals.