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Eating Chocolate and Winning Nobel Prizes

Franz H. Messerli, MD


    Dr. Messerli noted a significant association between
    chocolate consumption and the number of
    Nobel Prize winners in 23 countries.

    He found a close, significant linear correlation between
    chocolate consumption per capita and
    the number of Nobel laureates per
    10 million persons in 23 countries(p<0.0001).

    Excluding Sweden, he reported, the correlation coefficient
    rose to 0.862.
    Switzerland had both the most Nobel laureates
    and the highest chocolate consumption.

    Messerli stated that Sweden was an outlier,
    with data indicating that,
    based on its per capita chocolate consumption,
    Sweden should have produced about 14 Nobel laureates,
    rather than the 32 observed in the study.
    One may suspect that the Nobel Committee in Stockholm,
    Sweden, may have had some inherent patroitic bias when
    assessing the candidates to explain this single outlier.

    He states that since chocolate consumption has been documented
    to improve cognitive function, it seems most likely that
    in a dose-dependent way, chocolate intake provides the
    abundant fertile ground needed for the sprouting of Nobel
    laureates.
    He noted that in the absence of data on overall national
    cognitive function, the total number of Nobel laureates
    per capita could serve as a surrogate endpoint reflecting
    the proportion with superior cognitive function.

    Flavanols in cocoa have shown to improve
    endothelial function and lower blood pressure,
    and also data suggest that
    these flavanols may boost cognition as well.

    Since chocolate consumption could hypothetically improve
    cognitive function not only in individuals but also in whole
    populations, Messerli wondered whether there would be
    a correlation between a country's level of
    chocolate consumption and its population's cognitive function.

    He wrote his observations in New England J of Medicine.
    Messerli, however, said that his study is
    hypothesis-generating and requires confirmation
    in a prospective, randomized trial.

    By the way, Messerli eats chocolate daily, mostly in the form
    of Lindt's dark varieties.

    ... Cardiology Today, Vol 15, Number 12, December, 2012

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