<s>[INST] What causes heart failure? [/INST] Diseases that weaken the heart muscles can cause heart failure, such as heart attack, high blood pressure, infection of the heart muscle, heart valve disease, and diabetes. Genetic structural diseases can also cause heart failure. Source: BCM EDU. Link: https://www.bcm.edu/healthcare/specialties/cardiovascular-medicine/specialty-centers-and-programs/advanced-heart-failure-clinic/heart-failure-faqs. Field: Cardiovascular. Disease: Heart Failure </s>