For many young women at university, missed meals are a routine part of busy academic life. Lectures run through lunchtime, money is tight, and eating regularly often slips down the priority list. New research suggests this habit may come with an overlooked health cost, increasing the risk of anaemia at a stage of life when energy, concentration, and resilience matter most. The findings were published in Chronobiology International.
The study focused on female university students in Malaysia, where anaemia remains a persistent public health issue among young women. Anaemia can affect daily functioning by reducing oxygen delivery in the body, contributing to fatigue, dizziness, low mood, and impaired academic performance. These effects can be particularly disruptive for students juggling coursework, exams, and part time work.
Researchers examined eating patterns alongside blood haemoglobin levels in more than 670 students aged between 18 and 25. Over half were found to be anaemic, a figure that reflects wider regional trends among women of reproductive age. What stood out was not simply what students ate, but when they ate during the day .
Breakfast skipping was common across the group, but lunch habits appeared to be more strongly linked to anaemia. Students who skipped lunch several times a week were significantly more likely to be anaemic than those who ate lunch regularly. This association remained even after accounting for factors such as age, income, and ethnicity.
Meal timing mattered as much as meal frequency. Irregular daytime eating was associated with lower overall energy intake and reduced consumption of key nutrients, particularly folate. Many students also failed to meet recommended intakes for iron and vitamin B12, nutrients essential for maintaining healthy haemoglobin levels.
The findings fit with growing interest in chrononutrition, which explores how the timing of food intake interacts with the body’s internal clock. Daytime meals, especially lunch, appear to play an important role in nutrient absorption and metabolic balance. Skipping these meals may extend fasting periods in ways that undermine overall dietary quality rather than improving it.
University life can make regular eating difficult. Tight schedules, limited access to affordable food, and reliance on convenience options often push students towards irregular patterns. For young women, these pressures combine with higher biological iron requirements, increasing vulnerability to anaemia.
Although breakfast has long been emphasised in public health messaging, this study suggests lunch deserves more attention. Regular midday meals may help stabilise energy levels, support nutrient intake, and reduce the likelihood of anaemia developing unnoticed.
The researchers note that anaemia is influenced by multiple factors, including menstrual blood loss and broader dietary habits. However, lunchtime represents a practical and modifiable point for intervention. Universities may be well placed to support students through nutrition education, better access to iron rich foods on campus, and schedules that allow time to eat.
While the research cannot prove cause and effect, it highlights how everyday routines shape health outcomes. For students who routinely feel drained or struggle to concentrate, the answer may lie not only in what they eat, but in making time to eat during the day.