List of parishes in Louisiana. The U.S. state of Louisiana is divided into 64 parishes (French: paroisses) in the same way that 48 other states of the United States are divided into counties. Alaska, the other exception, is divided into boroughs and census areas instead. Forty-one parishes are governed by a council called the Police Jury.
For more on the phenomenon, and other insights into longevity, check out The Longevity Project here. In a study published this past May in the journal Aging, researchers from Albert Einstein College of Medicine and Yeshiva University pinpointed several personality traits linked to a longer lifespan.
If a personality trait runs in families, it may indicate that there is a genetic component to the trait because children share 50% of their genes with each parent. Twin studies involve an analysis of any differences between identical twins and fraternal twins.ince identical twins share 100% of the same genes and fraternal twins share only 50% of the same genes, identical twins should be more alike than fraternal twins if a personality trait has a genetic component.