A SEP IRA (Simplified Employee Pension) is a retirement plan that is popular with many small business owners and self employed individuals. The 2015 SEP IRA contribution limit is $53,000 (the 2014 SEP limit is $52,000).
Meanwhile, other studies suggest that another gene, DRD4, may also play a role in traits such as shyness and anxiety. The DRD4 gene codes for a protein that binds dopamine, another chemical messenger that has powerful effects in the brain. Again, the DRD4 gene comes in two forms: a long and a short version.
Temperament seems to be, at least in part, genetically determined. Some personality types (obsessive-compulsive. and sensitive-avoidant, for example) are more vulnerable to eating. disorders than others. New research suggests that genetic factors. predispose some people to anxiety, perfectionism, and obsessive-compulsive. thoughts and behaviors.