Researchers say those at high risk should be sent warning messages when the temperature drops . http://www.heraldscotland.com/news/16234272.Heart_attacks_more_common_during_cold_weather__study_suggests/

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Researchers say those at high risk should be sent warning messages when the temperature drops . http://www.heraldscotland.com/news/16234272.Heart_attacks_more_common_during_cold_weather__study_suggests/