Servier Medical Art by Servier is licensed under a Creative Commons Attribution 3.0 Unported License (https://creativecommons.org/licenses/by/3.0/).Abbreviations: HeFH, heterozygous familial hypercholesterolemia; FFQ, food frequency questionnaire; SFA, saturated fatty acids; FAs, fatty acids; HNFI, Healthy Nordic Food Index; EPA, eicosapentaenoic acid; DHA, docosahexaenoic acid; LA, linoleic acid; TNF, Tumor Necrosis Factor; IL-6, Interleukin 6; PF4, Platelet Factor 4; NAP-2, Neutrophil-Activating Peptide-2. Here, PF4 is linked to familial hypercholesterolemia.