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She noticed that the healthiest dolphins had higher levels of the saturated fatty acid C15:0. When the dolphins ate fish rich in C15:0, their insulin, glucose and cholesterol levels decreased.

She noticed that the healthiest dolphins had higher levels of the saturated fatty acid C15:0. When the dolphins ate fish rich in C15:0, their insulin, glucose and cholesterol levels decreased.

(A) This is the structure of stearic acid, an 18-carbon saturated fatty acid. The normal numbering system, starting with the carboxylic acid, is shown in blue. The carbons and oxygens of the ...