| 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) |