This article has great ideas;
http://health.howstuffworks.com/wellnes ... sorder.htm
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http://www.mayoclinic.com/health/season ... nt/DN00013The light from a light box mimics outdoor light. This is thought to cause a chemical change in the brain that lifts your mood and eases other symptoms of seasonal affective disorder. Light therapy can also be used to help adjust daily sleep cycles (circadian rhythm), which may play a role in mood. Light boxes are generally used for 30 minutes or longer each morning, with bright light shining indirectly toward your eyes.
http://experiencelife.com/article/a-pat ... epression/But how are hunter-gatherers able to weather life’s storms so effectively? Based on the available research, it seems that the hunter-gatherer lifestyle is profoundly antidepressant. As they go about their daily lives, they naturally wind up doing things that keep them from getting depressed, things that change the brain more powerfully than any medication. These range from exercising regularly and eating plenty of omega-3 fats to belonging to active social networks and getting enough sleep.
For most of human history, everyone benefited from the antidepressant effect of these ancient lifestyle elements. But over the past few hundred years, technological evolution has proceeded at a relentless pace. And as many protective features of that way of life have gradually disappeared, the rate of depression has begun to spiral out of control. Our Stone Age brains just weren’t designed to handle the sedentary, isolated, indoor, sleep-deprived, fast-food laden, stressed-out pace of 21st-century life.less pace. And as many protective features of that way of life have gradually disappeared, the rate of depression has begun to spiral out of control.