Artificial intelligence is rapidly transforming health care. AI systems can now detect diabetic eye disease from retinal photos and analyze CT images for signs of early-stage lung cancers and stroke.

The problem starts with how doctors typically test for heart disease. Traditional lipid panels focus on cholesterol—a waxy substance that can build up in arteries—and triglycerides, a type of fat that ...

UC San Diego researchers found a blood-based biomarker can predict a woman's risk of developing dementia as many as 25 years before symptoms appear, according to a paper published Tuesday.

The test can help assess your lifetime risk for cardiovascular disease. That, along with earlier treatment for high cholesterol, is part of new doctors' guidelines.