Addiction to drugs, whether it be opium, morphine, heroin or cocaine, is a strongly dysgenic factor. The addiction to the drug is of itself not transmissible, but the weakened constitution or degeneracy which is generally responsible for the development of the drug addiction is inheritable.
A few cases of drug addiction are external; that is, the patient may have a good healthy constitution, no hereditary taint, and still because during some sickness he was given morphine a number of times he may have developed an addiction to the drug. But those cases are rare. And such cases, if they are cured and if the addiction is completely overcome, may marry.
But in most cases it isn't the drug addiction that causes the degeneracy; it is the degeneracy or the neuropathic or psychopathic constitution that causes the drug addiction. And such cases are bad matrimonial risks.
And it is a very risky thing for a woman to marry an addict with the idea of reforming him. As I said about the alcoholic: Let him reform first, let him stay reformed for a few years, and then the rest is not so great.
The popular idea is that consanguineous marriages are bad per se. The children of near relatives, such as first cousins, are apt to be defective, deaf and dumb, blind, or feebleminded, and what not. This popular idea, as so many popular ideas are, is wrong. And still there is of course, as there always is, some foundation for it. The matter, however, is quite simple.
We know that many traits, good and bad, are transmitted by heredity. And naturally when traits are possessed by both father and mother they stand a much greater chance of being transmitted to the offspring than if possessed by one of the parents alone. Now then, if a certain bad trait, such as epilepsy or insanity, is present in a family that trait is present in both cousins, and the likelihood of children from such a marriage inheriting that trait is much greater than when the parents are strangers, the taint being present in the family of only one of the parents.
But if there be no hereditary taint in the cousins' family, and, still more, if the family is an intelligent one, if there are geniuses in the family, then there cannot be the slightest objection to marriage between cousins, and the children of such marriages are apt to inherit in a strong degree the talents or genius of their ancestors. In short, if the family is a bad one, one below par, then marriage between cousins or between uncle and niece should be forbidden. If the family is a good one, above par, then marriage between relatives of that family should be encouraged.
The idea that the children from consanguineous marriages are apt to be deaf and dumb has no foundation in fact. Recent statistics from various asylums in Germany, for instance, have shown that only about five per cent. of the deaf and dumb children were the offspring of consanguineous marriages. If 95 per cent, of the deaf and dumb had non-consanguineous parents, how could one say that even in the other five per cent, the consanguinity was the cause? If it were the other way around, then of course we could blame consanguinity. As it is, we can assume even in this five per cent, a mere coincidence, and we have no right to say that consanguinity and deaf and dumbness stand in the relation to each other of cause and effect.
It is interesting to know that among the Egyptians, Persians, and Incas of Peru close consanguineous marriages were very common. The Egyptian kings generally married their sisters. This was common custom and if the children born of such unions were defectives or monstrosities the fact would have become quickly apparent and the custom would have been abolished. Evidently the offspring of very close consanguinity was normal, or even above normal, or the practice would not have been continued such a long time.
It is perhaps worth while noting that one of the world's greatest scientists, Charles Darwin, was the child of parents who were first cousins.
A few cases of drug addiction are external; that is, the patient may have a good healthy constitution, no hereditary taint, and still because during some sickness he was given morphine a number of times he may have developed an addiction to the drug. But those cases are rare. And such cases, if they are cured and if the addiction is completely overcome, may marry.
But in most cases it isn't the drug addiction that causes the degeneracy; it is the degeneracy or the neuropathic or psychopathic constitution that causes the drug addiction. And such cases are bad matrimonial risks.
And it is a very risky thing for a woman to marry an addict with the idea of reforming him. As I said about the alcoholic: Let him reform first, let him stay reformed for a few years, and then the rest is not so great.
Consanguineous Marriages
Consanguinity means blood relationship, and consanguineous marriages are marriages between near blood relatives. The physician is frequently consulted as to the permissibility or danger of marriages between near relations. The question generally concerns first cousins, second cousins, uncle and niece, and nephew and aunt.The popular idea is that consanguineous marriages are bad per se. The children of near relatives, such as first cousins, are apt to be defective, deaf and dumb, blind, or feebleminded, and what not. This popular idea, as so many popular ideas are, is wrong. And still there is of course, as there always is, some foundation for it. The matter, however, is quite simple.
We know that many traits, good and bad, are transmitted by heredity. And naturally when traits are possessed by both father and mother they stand a much greater chance of being transmitted to the offspring than if possessed by one of the parents alone. Now then, if a certain bad trait, such as epilepsy or insanity, is present in a family that trait is present in both cousins, and the likelihood of children from such a marriage inheriting that trait is much greater than when the parents are strangers, the taint being present in the family of only one of the parents.
But if there be no hereditary taint in the cousins' family, and, still more, if the family is an intelligent one, if there are geniuses in the family, then there cannot be the slightest objection to marriage between cousins, and the children of such marriages are apt to inherit in a strong degree the talents or genius of their ancestors. In short, if the family is a bad one, one below par, then marriage between cousins or between uncle and niece should be forbidden. If the family is a good one, above par, then marriage between relatives of that family should be encouraged.
The idea that the children from consanguineous marriages are apt to be deaf and dumb has no foundation in fact. Recent statistics from various asylums in Germany, for instance, have shown that only about five per cent. of the deaf and dumb children were the offspring of consanguineous marriages. If 95 per cent, of the deaf and dumb had non-consanguineous parents, how could one say that even in the other five per cent, the consanguinity was the cause? If it were the other way around, then of course we could blame consanguinity. As it is, we can assume even in this five per cent, a mere coincidence, and we have no right to say that consanguinity and deaf and dumbness stand in the relation to each other of cause and effect.
It is interesting to know that among the Egyptians, Persians, and Incas of Peru close consanguineous marriages were very common. The Egyptian kings generally married their sisters. This was common custom and if the children born of such unions were defectives or monstrosities the fact would have become quickly apparent and the custom would have been abolished. Evidently the offspring of very close consanguinity was normal, or even above normal, or the practice would not have been continued such a long time.
It is perhaps worth while noting that one of the world's greatest scientists, Charles Darwin, was the child of parents who were first cousins.
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