According to a recent review of meta-analyses of observational studies, researchers confirm that fish consumption reduces the risk of several chronic diseases.
These diseases are cardiovascular diseases, depression, and all-cause mortality. There was no significant association found between fish consumption and different types of cancer. The analysed studies were evaluated as having a moderate quality.
Curious? Here is the source:
https://academic.oup.com/advances/article-abstract/11/5/1123/5811305?redirectedFrom=fulltext