New Delhi, Dec. 30 -- Winter may not only lead to a surge in joint problems or respiratory ailments but even strokes. A stroke is a medical emergency that happens when the blood flow to the brain is blocked and it is also called a brain attack.

In an interview with HT Lifestyle, Dr Neeraj Singh, Consultant Endovascular Neurosurgeon, explained, "The increased prevalence of strokes during winter can be because of physiological, environmental and behavioural factors. As the winter begins and the temperature outside becomes cold, one's blood vessels constrict to conserve heat and that can raise one's blood pressure. It is a known fact that high blood pressure is a precursor for stroke."

He elaborated, "Moreover, people tend to drink less wa...