Study says 1/2-million stroke deaths linked to extreme temperatures

<p>SALT LAKE CITY — Extreme temperature fluctuations linked to climate change could be a factor in roughly a half-million deaths and additional cases of disability from stroke around the world, according&a

</p><p>While the study, which looked at data spanning three decades, doesn't prove climate change directly causes stroke, it showed an association between &quot&#x3B;non-optimal temperatures, those above or&a

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