Hundreds of thousands of people with heart failure could live longer by taking vitamin D, after researchers reported a “very dramatic” improvement.
Almost a million people in Britain have heart failure, a condition in which heart muscles struggle to pump enough blood. It is most common in older people, leaving them tired, breathless and more likely to die early.
Klaus Witte, senior lecturer in cardiology at the University of Leeds, began the study after finding that patients with low levels of vitamin D did worse with the condition. “Vitamin D levels are very low in people with heart failure [because]