Several studies have tied these foods to poorer cognitive performance and accelerated cognitive decline. Now, new research published April 23 suggests that higher daily intakes of ultraprocessed food ...

When U.S. President Donald Trump and Chinese leader Xi Jinping meet in Beijing this week, it will be a modern standoff with the unmistakable overtones of single combat. Summits are often less ...

For the Middle East, the war in Iran has been another tough lesson in how divisions and competition can yield brutal conflict. But for most of the world, the war has been a lesson in something else: ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...