Review question/objective What are the causes of stress and what is their impact on individual work performance among Junior Medical Officers working in tertiary care settings? Inclusion criteria Types of participants This review will consider studies that include Junior Medical Officers in their first three years of post-graduate employment who have not yet been accepted into a vocational training program. Phenomena of interest Stress among Junior Medical Officers Types of outcomes This review will consider studies that include one or more of the following outcome measures: levels of stress (as measured by any validated standardized stress scale such as the Perceived Stress Scale of the Psycho-social Stress Scale); measures of individual work performance; sickness and absence rates. Studies that do not report on these measurable outcomes may be included if they analyze self-reported accounts of perceived stress.