Is Blood Pressure Linked to the Seasons? - KCBD NewsChannel 11 Lubbock

1/14/09

Is Blood Pressure Linked to the Seasons?

According to a new study, when the temperature drops in the winter, your blood pressure goes up.  Researchers in France looked at the link between blood pressure and outdoor temperature in 8000 adults age 65 and older.  They found blood pressure was higher in the winter, with 33% of participants diagnosed with hypertension during cold months compared to 24% in the summer. 

In a majority of cases, blood pressure dropped in those who had their first measurement taken in the winter compared to a follow-up check in the summer.  Researchers say there is no evidence cold weather causes high blood pressure, but there is a definite association that doctors should be aware of, especially when treating elderly and high-risk patients. 

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