Home > Health, History, Life, Miscellaneous, News, Science, Uncategorized > Children of older fathers

Children of older fathers

Sometimes when you put separate studies together you could get what seems a confusing picture (or maybe no picture at all?) — particularly seeing how they word their conclusions. Here is an example on studies related to offspring of older fathers.

Study 1. Older fathers have longer telomeres in their chromosomes as they age, so the offspring of older fathers inherit these longer telomeres, enhancing the life expectancy of the offspring.  This was reported by the BBC and is based on a study published in Proceedings of the National Academy of Sciences.

Study 2. Children born to older fathers have a greater likelihood of developing autism or schizophrenia.  Reported by Nature Magazine (here’s Nature’s summary of the actual Nature study) and also quite recently by the BBC.

Study 3. The life expectancy of people with schizophrenia is lower than average, and can be lower by as much as 10 to 15 years. Reported by the BBC and based on a study done by the British Biomedical Research Centre for mental health, and published in the online journal PLoS ONE.

 
These conclusions aren’t necessarily in contradiction to one another (even if verbally they seem to be). It depends on the various rates (such as the smaller fraction of schizophrenics, for example, compared with the many who don’t get mental illness). So if you’re normal and descended from an older father ‘the chances’ are better that your longevity will get a boost (statistically!) if you don’t get a mental illness like schizophrenia. (Barring a Study 4 and Study 5, about which I know nothing and which could wreck my post!)

I’ve often wondered if in some societies around the world these effects and results could be varied depending on the people being studied. There are still numerous factors beyond our control. (Anyway, whatever your condition, I hope this makes you feel better!) 🙂

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