Subjects and Methods:-a cross-sectional survey was conducted through a random sampling, across medical students mainly from Madinah. The final study sample size was 250 students. The questionnaires were distributed both manually and electronically, the questionnaire includes 41 questions, discussing various aspects in the student's social, medical and psychological life. Statistical analysis system used to analyze the collected data. Results:-The majority of the studied subjects showed no statistically significant differences between male and female subjects in almost all aspects of the study. (46.1%) of subjects have hair loss (alopecia), (37.2%) have irritable bowel syndrome. both diseases were presented with extreme statistical significance (p value < 0.0001). almost all the subjects feel stressed, (94%) thought that studying in the college of medicine and having too much work are the main causes of this stress. Conclusions:-A higher prevalence of irritable bowel syndrome among medical students and interns in Madina, Saudi Arabia, and it affects the educational attainment and the academic performance for half of these students. Hair loss affects or interferes with student"s life in general. But affects the academic performance (stress) for few of students. Objectives:-General objective: To Assess the prevalence of Hair loss & IBS among medical school students, and to evaluate its effect on their lifestyle and study. Specific objectives: 1. Assess the prevalence of IBS among medical student 2. Assess the prevalence of hair loss among medical student 3. Assess the awareness of medical student about stress related complications.