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When food runs short, they slowly become clustered together and enter their "gregarious" phase, culminating in an aggressive swarm. Prior to swarming, the locusts undergo a series of dramatic physical changes - their body colour darkens and their muscles grow stronger. ... They found that locusts behaving the most gregariously (in swarm-mode) had approximately three times more serotonin in their systems than their calm, solitary...
 locust swarm serotonin depression
The Wall Street Crash of October 1929 was a trigger that quickly plunged the United States from economic prosperity to the depths of the Great Depression. Millions of Americans lost their jobs and homes, and many were forced to live in shanty towns, nicknamed Hoovervilles after the country's president Herbert Hoover...

2009-02-23

 USA depression economy
Drinking water which contains the element lithium may reduce the risk of suicide, a Japanese study suggests. ... We already know that lithium can act as a powerful mood stabiliser for people with bipolar disorder, and treating people with lithium is also associated with lower suicide rates. However, lithium also has significant and an unpleasant side effects in higher doses, and can be toxic. Any suggestion that it should be added, even in...

2009-05-01

 lithium bipolar disorder psychology Japan depression suicide
Collectivistic cultures, which promote social harmony over individuality, protect people who are genetically predisposed to depression from experiencing the condition.

2009-10-28

 depression social network
The people have been lulled into a false sense of safety under the ruse of a perceived “economic recovery.” Unfortunately, what the majority of people think does not make it so, especially when the people making the key decisions think and act to the contrary. The sovereign debt crises that have been unfolding in the past couple years and more recently in Greece, are canaries in the coal mine for the rest of Western “civilization.” The...

2010-02-22

 economy crisis crash finance banking depression domino
Detroit, the very symbol of American industrial might for most of the 20th century, is drawing up a radical renewal plan that calls for turning large swaths of this now-blighted, rusted-out city back into the fields and farmland that existed before the automobile.

2010-03-09

 depression Detroit car agriculture environment urban
Cases of depression have grown around the world. But while awareness of the illness has helped lift the stigma it once attracted, have we lost touch with the importance of just feeling sad.

2010-09-28

 sadness melancholy sorrow mourning bereavement depression