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It may not be literally contagious, but high blood pressure is a shared problem in heterosexual couples.

In a new study, researchers found that heterosexual couples are likely to have high blood pressure at the same time. Conducted across the U.S., England, China and India, the study found that if one partner had high blood pressure, it was significantly more likely that the other did too.

Senior author Chihua Li expressed surprise at the prevalence of high blood pressure in older couples across these countries. They found more than 35% of couples aged 50 or older in the U.S. experience high blood pressure.

The researchers analyzed over 34,000 couples and discovered that in nearly 47% of couples in England, 38% in the U.S., 21% in China, and 20% in India, both partners had high blood pressure. This association was stronger in China and India than in the U.S. and England, possibly due to cultural factors emphasizing familial unity and support in the former countries. 

A similar study in the past showed the same results. There, the researchers also found a link between spouses with hypertension and its occurrence.

Managing high blood pressure in couples

Managing high blood pressure in couples involves joint strategies due to the strong correlation between partners. The recent study highlighted the need for couple-based approaches such as shared screenings, skills training, or participating in health programs together. 

Lifestyle changes, like increased physical activity, stress reduction and healthier diets, prove effective, but sustainability often relies on mutual commitment. Addressing hypertension in couples requires considering their shared environment, habits and cultural influences. This collective approach should acknowledge the intertwined nature of their health, emphasizing joint efforts to mitigate the global burden of high blood pressure.