A study from the University of Alabama at Birmingham suggests eating a Mediterranean diet may be linked to preserving memory and thinking abilities. A Mediterranean diet is high in omega-3-rich foods like fish and olive oil. It also includes plenty of fruits, vegetables and grains and is low in saturated fats, meat and dairy.
It’s important get omega-3 in your diet, specifically DHA, but some people do not prefer to eat fish, are allergic or follow a vegetarian diet. There are several great fish-free alternatives for those who want a different option: