The people of Sumer are among the earliest denizens of Mesopotamia. By about 4000 BCE, the Sumerians had organized themselves into several city-states that were spread throughout the southern part of the region. These city-states were independent of one another and were fully self-reliant centers, each surrounding a temple that was dedicated to god or goddess specific to that city-state. Each city-state was governed by a Priest King.
Mood Disorders is most common
PKU, also known as Phenylketonuria is a metabolic condition which can be found in newborns, which can lead to disability, seizures and behavioral issues in later life, it is an inheritable condition passed down as a mutation by both parents. Gene therapy is a new avenue of research which could potentially lead to a cure, an enzyme substitution therapy with <span>PEGylated recombinant </span>phenylalanine ammonia lyase<span> is also currently being scientifically explored.</span>