Add Yahoo as a preferred source to see more of our stories on Google. Preparing for a medical test often triggers health anxiety, making it easy to worry about hidden conditions and care needs. While ...

PET scans can detect amyloid plaques and tau tangles in the brain, which are often early signs of Alzheimer’s disease. But they’re not enough on their own to make a diagnosis. Alzheimer’s disease is ...

A new analysis estimates that more than 100,000 cancer cases per year could be caused by radiation from CT scans. In some cases, the information provided by a CT scan could also be obtained from other ...

The underlying cause of nearly all heart attacks is clogging of the arteries with cholesterol (atherosclerosis). It starts early in life and by middle age, can be very advanced. The problem is, even ...

Preparing for a medical test often triggers health anxiety, making it easy to worry about hidden conditions and care needs. While a DEXA scan is the gold standard for spotting osteoporosis and weak ...