Table 1. Korean and international fisheries cohort study

Country Seafood material Notable health focus Number of participants (people) Investigation period (year) Reference
Korea Seafood CVD 6,565 10 Park et al. (2022)
Oily fish Dyslipidemia 20,670 5 Kim et al. (2019)
Fish Prevalence of frailty 623 4 Ahn et al. (2023)
Fish Depression 31,632 9 Kim & Je (2024)
Japan Small fish Longevity 80,802 9 Kasahara et al. (2024)
Seaweed Depression 1,745 1 Miyake et al. (2014)
Seaweed CVD 86,113 20 Murai et al. (2021)
Denmark Marine n-3 fatty acids Development of atrial fibrillation/atrial flutter 57,053 5 Rix et al. (2014)
United States Fish Diabetes 1,136 18 Deng et al. (2018)
Iran Fish Metabolic syndrome 3,382 3.6 Mirmiran et al. (2019)
Fish Multiple sclerosis 547 2.3 Abdollahpour et al. (2018)
China Fish CVD mortality 18,215 11.4 Shao et al. (2022)
Spain Fish Mental disorder 7,903 2 Sanchez-Villegas et al. (2007)
UK Seafood Behavioral development 5,969 2 Nel et al. (2025)
10 European countries Fish Cancer 500,000 8 Engeset et al. (2015)
8 European countries Fish Type 2 diabetes 16,835 12 Patel et al. (2012)
58 countries Fish CVD 191,558 9.1 Mohan et al. (2021)
CVD, cardiovascular diseases.