Stroke in Winters: Understanding the Increased Risk This World Stroke Day, let’s talk about how winter can raise your stroke risk. Dr. Arun Garg, Chairman, Neurology, Medanta, Gurugram, explains that cold weather causes blood vessels to constrict, leading to a surge in blood pressure and reduced blood flow to the brain — both of which can trigger a stroke, whether haemorrhagic or ischaemic. Staying active, even indoors, and keeping lifestyle factors like diet, smoking, and alcohol in check can g