Rejuvenating hormone found to reverse symptoms of heart failure

Heart failure is one of the most debilitating conditions linked to old age. A new study reveals that a blood hormone known as growth differentiation factor 11 declines with age, and old mice injected with this hormone experience a reversal in signs of cardiac aging. The findings shed light on the underlying causes of age-related heart failure and may offer a much-needed strategy for treating this condition in humans.

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