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What if homosexuality is a brain chemical, not a choice?

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Biologists have shown for the first time that serotonin, a chemical known to regulate sexual behaviors in both mice and men, determines whether male mice prefer to mount males or females. The study was ingenious and worth reading in its own right, but even more consequential is the moral dilemma it poses for anti-gay and equality rights activists.

Of course, all of this discussion assumes serotonin has the same effect in men as it does in mice, a reasonable hypothesis that nevertheless requires experimental proof.

In the United States, most people are Christians, and most anti-gay activists are Christians. Many of them base their beliefs on their bible (the end of this article discusses some of those beliefs).

But if too much or too little serotonin leads to homosexuality, then reasonable people could question why a deity so against the practice would allow males of so many species to be born with a condition that renders them all but certain to adopt  that practice. And why has that god not told these God-loving people that it is a chemical, not a choice?

Why have they been so wrong?

Equality rights supporters are not off the hook either. For one thing, some religious regimes will almost certainly start “treating” gay men, if not women, with serotonin, just like the way researchers turned gay mice into heterosexuals. Although less common, support may also exist in this country among some of the more virulently anti-gay groups.

Should discriminatory sentiments not decrease significantly or quickly enough, some gays who have not come out of the closet may try to change themselves through “voluntary” self-injections of the chemical.

Urgent actions need to be taken immediately in this area of bioethics.

Christian Justification

Christians who hate gays often cite the following passage:

“If a man lies with a male as he lies with a woman, both of them have committed an abomination. They shall surely be put to death. Their blood shall be upon them.” (Leviticus 20:13)

The problem is that three verses before that passage is one that calls for execution of people who curse their parents.

“For everyone who curses his father or his mother shall surely be put to death. He has cursed his father or his mother. His blood shall be upon him.” (Leviticus 20:9)

Another passage is often used to justify discrimination.

“You shall not lie with a male as with a woman. It is an abomination.” (Leviticus 18:22)

The same book, though, called eating shellfish (such as shrimps), an abomination, not once, not twice, but three separate times.

“But all in the seas or in the rivers that do not have fins and scales, all that move in the water or any living thing which is in the water, they are an abomination to you.” (Leviticus 11:10)

“They (shellfish) shall be an abomination to you; you shall not eat their flesh, but you shall regard their carcasses as an abomination.” (Leviticus 11:11)

“Whatever in the water does not have fins or scales; that shall be an abomination to you.” (Leviticus 11:12)

You can read more about it on


Written by Gnostradamus

Sun, 3/27/11 at 2124

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