1. Time
2. Frequency
3. Intensity
Find something you like then Look in that area for a job look for a decent pay rate so you can manage a decent housing and pay your bills etc
Some types of fish and shellfish contain healthy omega oils that will help the development of the fetus's nervous system. However, some contain toxins and possibly viruses (oysters, for example) and must be avoided during pregnancy.
A chain of neurons help communicate through this thing called an electrochemical process!