As Harvard Health explains, omega-3s reduce triglycerides in the bloodstream and also protect the heart by helping prevent the onset of abnormal heart rhythms.
Triglycerides are a type of fat (lipid) found in your blood.
Oily fish and other cholesterol lowering foods such as nuts can be found in a Mediterranean diet.
The Mediterranean diet is high in vegetables, fruits, legumes, nuts, beans, cereals, grains, fish and unsaturated fats such as olive oil.