Human Nature is Here to Stay

Larry Arnhart in The New Atlantis:

In the first issue of The New AtlantisLeon Kass suggests that if biotechnology were to transform human nature, it would do so to satisfy the human dream of physical and mental perfection — “ageless bodies, happy souls.” But how likely is that? As an indication of what he foresees, Kass says that with drugs, “we can eliminate psychic distress, we can produce states of transient euphoria, and we can engineer more permanent conditions of good cheer, optimism, and contentment.” He refers to those “powerful yet seemingly safe anti-depressant and mood brighteners like Prozac, capable in some people of utterly changing their outlook on life from that of Eeyore to that of Mary Poppins.” Similarly, psychiatrist Peter Kramer — in his best-selling book Listening to Prozac — described patients using Prozac who were not just cured of depression but so transformed in their personalities as to be “better than well.” Shy, quiet people were apparently turned into ebullient and socially engaging people. “Like Garrison Keillor’s marvelous Powdermilk biscuits,” Kramer observed, “Prozac gives these patients the courage to do what needs to be done.” This was the beginning, he concluded, of “cosmetic psychopharmacology,” by which people could use chemicals to take on whatever personality they might prefer.

But as even Kramer has conceded, this chemical transformation in personality appears to work well in only a minority of the people taking Prozac. And in recent years, there have been increasing reports of many harmful side effects. This is to be expected, because like all psychotropic drugs, Prozac disrupts the normal functioning of the brain, and the brain responds by countering the effect of the drug, which then induces harmful distortions in the neural system. Specifically, Prozac blocks the normal removal of the neurotransmitter serotonin from the space between nerve cells. This creates an overabundance of serotonin, and the brain responds either by reducing receptivity to serotonin or by reducing the production of serotonin. As a result, the brain creates an imbalance in response to the disruption of the drug and cannot function normally. There is also growing evidence that Prozac does not really cure depression. Many studies have shown that the antidepressant effects of taking Prozac are not much greater than what occurs when people take a placebo pill.

But the most fundamental problem with Prozac is one that it shares with all psychotropic drugs (including old-fashioned ones like alcohol). Emotional suffering is a capacity of human nature shaped by evolutionary history for an adaptive purpose. Emotional suffering is almost always a signal that something is wrong in our lives. It alerts us that there is some problem either in our internal lives, in our social relationships, or in our external circumstances. A psychotropic drug does not help us to understand or solve the problem. Rather, the drug deadens the emotional response of our brain without changing the problem that provoked the emotional response in the first place. When we feel bad because of a problem in our lives, taking a psychotropic drug to make us feel better is evasive and self-defeating.

More here. (Note: From the Summer 2003 issue)

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