The battle for control of a developing market for heart valves that can be inserted without open-heart surgery intensified today as Edwards Lifesciences Corp.’s second-generation product was found to outperform Medtronic Inc.’s device in a head-to-head comparison.
Medtronic Inc. isn’t giving up on a new approach to treat hypertension with a device designed to sear the nerves that spur high blood pressure, even though the first rigorous trial of the method failed to help patients, company officials said.
Eating food high in fish oils such as omega-3 doesn’t reduce the risk of heart disease, raising questions about national guidelines promoting the fats as beneficial for cardiovascular health, researchers found.
High sugar consumption may double the chance of dying from heart disease, according to a study that adds to evidence that high levels of the sweetener in processed foods and drink is bad for a person’s health.
Alzheimer’s, known mostly for the memory loss and confusion it causes, may be the nation’s third- most deadly killer, according to a study that suggests many more Americans die from the disease than is known.