Fish oil is beneficial for heart- and blood-related illnesses such as high blood pressure and high cholesterol. Fish oil is found from supplements or by eating fish such as mackerel, tuna, salmon, mullet and sardines. Although the effects of fish oil in treating psychiatric disorders are subject to controversy, it has a reputation and scientific support in effectively aiding psychiatric disorders such as bipolar disorder and schizophrenia. Most of the benefits of fish oil come from omega-3 fatty acids, which the body cannot produce. Consult a doctor before using fish oils to treat or aid in treatment for a psychiatric disorder.
Omega-3 Fatty Acids
The most important omega-3 fatty acids found in fish oil are eicosapentaenoic acid and docosahexaenoic acid; also known as EPA and DHA. Omega-3 is a polyunsaturated fatty acid and is crucial for brain function. Its benefits include concentration, mood stability and good blood circulation. EPA and DHA are often observed in clinical trials to determine their role in aiding psychiatric disorders. EPA is more clinically significant for psychiatric disorders than DHA.
Bipolar Disorder and Depression
Bipolar disorder and depression are two separate psychiatric disorders although depression occurs in both. According to the University of Maryland Medical Center, the effects of omega-3 found in fish oil on depression are inconclusive; studies by Dr Kenneth Silver and colleagues have shown omega-3 taking with antidepressants is beneficial. On the other hand, other studies have found no benefits. UMMC reports a clinical study of 30 patients with bipolar disorder that took fish oil with standard treatment experienced fewer relapses and mood swings than placebo patients. Another trial did not find EPA effective in treating rapid cycling and bipolar patients.
Schizophrenia
Symptoms of schizophrenia include hallucinations, delusions, depression and suicidal thoughts. According to MedicalNewsToday.com, the National Alliance of Mental Illness says fish oil supplements may be helpful in preventing psychosis in the most pivotal years of brain development; although more research is needed. The Linus Pauling Institute report that the EPA in omega-3 fatty acids in combination with antipsychotic medication is more beneficial than other patients with antipsychotic medication and placebo. An extensive clinical trial is crucial to support findings
Warnings and Considerations
Fish oil solely has not proven effective in treating psychiatric disorders. Do not use fish oil to aid in your treatment without consulting a doctor, because fish oil dosages vary depending on the illness. However, UMMC advises adults should not take more than 3 g daily of omega-3 from capsules. Fish oil is better consumed from food rather than supplements; fish should be eaten at least twice weekly and frying fish cancels out several of its benefits.
References
- Linus Pauling Institute: Essential Fatty Acids
- MedicalNewsToday.com: Schizophrenia: NAMI Offers Public Education; Discusses New Research On Fish Oil And Marijuana
- MedlinePlus: Fish Oil
- University of Maryland Medical Center: Omega-3 fatty acids
- "Prostaglandins Leukot Essent Fatty Acids"; Randomised double-blind placebo-controlled trial of fish oil in the treatment of depression; Silvers MD, et al.; 2007



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