India, Oct. 30 -- Dr Deep Das, consultant and interventional neurologist at CK Birla Hospitals, CMRI, Kolkata, in interviews with HT Lifestyle published on Oct. 29, 2026 and Oct. 30, 2026, described how winter temperature changes may influence stroke risk and set out steps for prevention and emergency response.

Why winter may increase stroke risk

Dr Deep Das said cold weather naturally causes blood vessels to constrict or narrow, which can raise blood pressure and place sudden, extra strain on the cardiovascular system. He said the risk escalates for people with underlying conditions such as hypertension, diabetes, high cholesterol, heart disease, or a habit of smoking.

He also said the cold itself does not mean a person will have a stro...