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Right kind of stress can actually protect your heart: Cardiologist explains the difference between good and bad stress

A recent Instagram video by cardiothoracic surgeon Dr Jeremy London challenges the belief that all stress harms the heart. He explains that controlled, self-chosen stress, particularly through aerobic exercise, can strengthen the cardiovascular system, improve vessel flexibility and build resilience. However, chronic emotional stress triggers harmful hormonal responses, increasing the risk of inflammation, hypertension and heart attacks. London urges people to embrace beneficial physical stress while limiting emotional overload to protect long-term heart health.