According to his writings, he was one of a few Chinese captured in the Battle of Talas in 751,[1] along with artisans Fan Shu and Liu Ci and fabric weavers Le Wei and Lu Li.
[citation needed] After a long journey through the Abbasid Caliphate (the 'Lands of the Tājīk', 大食), he returned by ship to Guangzhou in 762.
Within the confession of the Byzantines, there are beneficent medical doctors who know diarrhea; they could either recognize the disease before its outbreak, or could remove the worms by opening the brain.
[3][4][5][2]According to the historian Angela Schottenhammer, "Du Huan’s exceedingly positive description of the 'Lands of the Tājīk', coupled with the opportunities that he was granted during his travels, indicate that he was no traditional prisoner of war".
[1] Schottenhammer also points out that he is unlikely to have visited all the lands he included in his report, but that he provides a detailed description of life in Kufa, [2]which was the capital of the Abbasid Caliphate before the foundation of Baghdad.