University of Ottawa Heart Institute researchers analyzed 12 clinical trials involving nearly 1,500 couples and found that romantic partnerships significantly affect cardiovascular health. When partners participated in cardiac care, 77% of studies showed improved medication adherence, exercise habits, and smoking cessation. Unmarried people face over 40% higher cardiovascular disease risk than married individuals. Women in distressed relationships experience nearly 10-fold increased uncontrolled hypertension compared to satisfied women. Relationship stress triggers measurable biological responses including elevated cortisol, higher blood pressure, and increased inflammation. Among satisfied couples, each unit increase in relationship support correlates with 28% improved heart rate variability. (Story URL)
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