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    Jamaica’s Sprinting Secret May Be Public Healthcare

    It all comes back to economics. Researchers have long puzzled over why a developing nation has an uncanny number of world-class sprinters, formulating theories about yam-heavy diets or aluminum-rich soil. But a recent study suggests Jamaica’s runners have a far more inorganic key to success – the country’s great public health initiatives. Over the past century, Jamaica’s routed many common infectious diseases and raised life expectancies, while inexpensive sports like running gained popularity — in what could be a blueprint to other countries with few resources and Olympic dreams.

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