Heart failure is a medical condition in which the heart fails to pump blood effectively, leading to insufficient circulation and oxygen supply throughout the body. Full definition
But the trends observed in data gathered on middle - aged adults suggest that it may never be too late to reduce the risk of heart failure with moderate exercise. (fightaging.org)
One in 10 cancer patients were diagnosed with heart failure in the 20 years following their cancer diagnosis. (sciencedaily.com)
For the more common cause of heart failure in older dogs, see another article I have written. (2ndchance.info)