Caution, "normal" BMI: health risks associated with potentially masked individual underweight-EPMA Position Paper 2021.

"Declarations Ethics approvalNot applicable. Consent to participateNot applicable. Consent for publicationNot applicable. Conflict of interestThe authors declare no competing interests. Conflict of interest The authors declare no competing interests."

"Funding Open Access funding was enabled and organized by Project DEAL. Creation of this article was supported by the Operational Programme Integrated Infrastructure for the project: Integrative strategy in development of personalised medicine of selected malignant tumours and its impact on quality of life, IMTS: 313011V446, co-financed by the European Regional Development Fund and LISPER project (grant no. 313011V446) in bilateral agreement with the European Association for Predictive, Preventive and Personalised Medicine."