Wednesday, May 23, 2012

Genome Chapter Summary (10)

Chromosome 10: Stress


"When you have a lot of cortisol coursing through your veins, you are - by definition - under stress. Cortisol and stress are virtually synonymous."  Cortisol as Ripley explains is produced by cholesterol and it is the hormone that interferes with the human immune system and it changes the sensitivity of the eyes and nose while altering bodily functions at the same time.  However, Ripley concludes this chapter by stating the different explanations for stress that he does not agree to.  Such reasons were proposed by Martin and Davies, and since Ripley does not find them convincing he ends with, "...so I challenge you to find a better one."

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