Merel’s main focus is health research, with a current focus on cancer care. She is currently working on a CanTest project called ‘Establishing diagnostic accuracy, acceptability and cost-effectiveness of haemoglobin in faecal immunochemical tests (FITs) in the English primary care systematic population: a cohort study in the East of England’. She has worked as a research associate for the Primary Care Unit at the Dept of Public Health and Primary Care at the University of Cambridge from 2012. She was first involved in the POLYPILL programme, which investigated whether a ‘polypill’ have a role in secondary prevention of stroke in older people in the developed world. This included work on a CTIMP. From 2017, she has managed the MELATOOLS programme, a set of studies that aimed to improve timely diagnosis of melanoma through optimisation of GP and patient assessment of pigmented skin lesions.