India, Dec. 10 -- Before heart trouble becomes serious enough to demand urgent care, the body often drops small but important hints that something isn't right. Subtle changes in breathing, energy, sleep, or even swelling can quietly signal that the heart is under strain. Recognising these early warning signs is crucial - not just for timely diagnosis, but also for preventing more serious heart disease down the line.

Dr Alok Chopra, founder-director and consultant cardiologist at Aashlok Hospital, with over 40 years of experience, has outlined five key warning signs that indicate your heart may be struggling and requires prompt medical attention. In an Instagram post shared on December 9, the cardiologist emphasises, "Before any major shi...