The region enclosed in the box in the following structure represents the sphingosine portion of the molecule. 
Definitions:
Individuals Over 65
People who are aged 65 years and above, often considered seniors or elderly in many societies.
Wealth Holders
Individuals or entities that possess a significant amount of assets or wealth.
Percentage Points
A unit of measure used in expressing differences in percentage, indicating a change relative to a whole, rather than a proportional increase or decrease.
United States
A nation located in North America, made up of 50 states, a federal district, five significant autonomous territories, and a multitude of possessions, recognized for its vast economy and heterogeneous population.
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