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Blood pressure spikes when humid, what is the cause? 

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According to Master, Doctor Nguyen Hoai
Vu, Department of Cardiology, Tam Anh General Hospital, Hanoi, 

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The humid weather at the beginning of
the year in the North with erratic 

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temperature changes can adversely affect cardiovascular health, 

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especially in the elderly and people with occupational diseases. 

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When humidity increases, sweat is
difficult to evaporate, causing the body 

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to lose less heat, and the heart to beat faster. 

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blood vessels continuously dilate to
adapt, causing blood pressure due to movement many times a day. 

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This fluctuation is an independent risk
factor for hemorrhoids and myocardial infarction. 

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The day and night temperature schedule
also stimulates the sympathetic nervous 

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system, disrupting blood pressure regulation, 

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increases pressure on the arterial walls
and can cause localized myocardial ischemia. 

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People over 65 years old, people with
hypertension, diabetes, dyslipidemia or chronic kidney disease, 

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more likely to experience blood pressure
fluctuations because the ability to self-regulate has declined. 

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Cao keeps the house dry and airy,
maintains light exercise, eats healthy, 

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and monitors blood pressure regularly to detect abnormalities early.