A troublingly high number of U.S. patients who are given angiograms to check for heart disease turn out not to have a significant problem, according to the latest study to suggest Americans get an excess of medical tests.

People who donate a kidney in the United States don’t die any faster than non-donors long term, according to a large study that looked at donors over 15 years.

Where did I park my car? What is that lady’s name? Where are my glasses.