| 1 | It could be depression or illness. | |
| 2 | But do regular doctors really know how to identify depression? | |
| 3 | But in the elderly, experts say, depression can be tricky to diagnose. | |
| 4 | Also, research shows that DHA can help improve mood and fight depression. | |
| 5 | First, "disease-preventing" properties does not mean "fatigue and depression" preventing properties. |