“…Moreover, research shows that since some tissues or organs are perceived as sacred or as the very essence of humanity (brain, heart, blood, eyes), some people are afraid that it will not be treated with respect during the research or after an autopsy. For example, since religion affects peoples’ beliefs on brain death (Majchrowicz, 2022 ; Majchrowicz et al, 2021 ) it can negatively affect people’s attitude toward brain donation (Aramoana et al, 2020 ; Halverson & Ross, 2012 ; Hussen et al, 2017 ; Kowal et al, 2015 ; Kraft et al, 2018 ; Marmamula et al, 2022 ; Simon et al, 2017 ). This is in line with previous studies that demonstrated that while people are eager to donate blood, cancerous tissue, skin, bones or/and liver tissue left over after a medical procedure, the most controversial types of biosamples include: brain postmortem, eyes postmortem, human embryos and reproductive tissues (Boise et al, 2017 ; Goodson & Vernon, 2004 ; Lewis et al, 2013 ; Majchrowska et al, 2022 ; Merdad et al, 2017 ).…”