There are many things that can prevent a forex trader from becoming successful, but one of the worst is being their own enemy in forex trading. Trading the forex market from the comfort of your home computer chair can offer a huge amount of freedom, a nice secondary income stream, and when it is done wrong – enough stress to turn your heart inside out. Forex is a psychological journey, but our own biology may have an important role to play. Research shows that could be to our genes and hormones to compensate.