The document discusses three main causes of stress for international students: 1) Differences in educational systems between their home country and the host country in areas like learning resources, essay writing skills, and critical thinking; 2) Culture shock due to trouble adapting to the new environment, financial issues, and differences in cultural backgrounds; and 3) Academic and personal demands including unrealistic goals, independent living, language barriers, and maintaining work-life balance. The conclusion emphasizes that knowledge of these stressors is important for international students to effectively address and overcome them.