Inadequate diet: Symptoms of omega-3 fatty acid deficiency include fatigue, poor memory, dry skin , heart problems, mood swings or depression. Omega-3 fatty acids are considered essential fatty acids: They are necessary for human health but the body can’t make them -- you have to get them through food. Omega-3 fatty acids can be found in fish, such as salmon, tuna, and halibut, algae, some plants, and nut oils.
Answered 6/4/2014
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