New Delhi, Nov. 30 -- With long commutes, irregular sleep and constant stress becoming a part of modern life, many early signs of heart trouble often get brushed aside as exhaustion or acidity. But a US-based cardiologist is warning that these everyday discomforts could be the body signaling a silent heart attack risk - and timely attention can save lives.

In a recent Instagram post, Arizona-based cardiologist Dr Jack Wolfson - with more than 16 years of clinical experience - highlighted five little-known symptoms that should not be ignored. "Everyone knows the classic signs of a heart attack," he wrote, "but here are five you've probably never heard of - and they could save your life."

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