Arteries naturally constrict in winter and can cause high BP, heart attack: 5 things to do to stay safe |
When the temperature drops, the body uses a clever survival trick: it narrows its blood vessels to conserve heat, as per a 2019 study. That natural response sounds harmless, but inside the arteries, it can raise blood pressure and increase the risk for heart trouble in older people, those with high BP and underlying heart…