Which fatty acid is primarily found in fish oil and is beneficial for heart health?

DHA, or docosahexaenoic acid, is a long-chain omega-3 fatty acid that is abundant in fish oil and has been extensively studied for its beneficial effects on heart health. It is known to contribute to the reduction of triglyceride levels, lower blood pressure, and improve overall cardiovascular function. The consumption of omega-3 fatty acids, like DHA, is associated with a decreased risk of heart disease and plays a role in anti-inflammatory processes.

The importance of DHA in heart health has led to recommendations for including sources of omega-3 fatty acids in the diet, particularly from fatty fish, such as salmon, mackerel, and sardines. These types of fish are rich in DHA and EPA (eicosapentaenoic acid), another omega-3 fatty acid that is also beneficial for cardiovascular health.

In contrast, arachidonic acid is an omega-6 fatty acid that, while important in various bodily functions, is generally considered to promote inflammatory processes when consumed in excess compared to omega-3 fatty acids. Stearic acid is a saturated fatty acid primarily found in animal fats and does not have the same beneficial effects on heart health as DHA. Omega-9 fatty acids, such as oleic acid, are