Orchid Hypothesis May Answer Everything About Survival Of Depressive Genes?

[thepacifist]

Just stumbled upon one of the sites called Sparkonit claiming Orchid Hypothesis may be the possible answers to why genes survived throughout evolution.

http://sparkonit.com/2013/12/19/orchid-hypothesis-a-possible-answer-to-why-genes-for-depression-survived-throughout-evolution/