A new study has revealed that exercise does more than strengthen the heart—it also reshapes the nerves that control its function. Researchers found that physical activity can rewire the heart’s nerve network, improving the way it regulates heartbeat and responds to stress. This discovery offers fresh insight into why regular exercise protects cardiovascular health and may open the door to more personalized treatments for common heart conditions such as arrhythmias and angina. By understanding how exercise influences both the heart muscle and its nervous system, scientists hope to develop new therapies that mimic these protective effects for patients unable to exercise regularly.
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