Scientists once thought flavanols helped the brain via absorption, but a new study suggests their astringent taste may ...

When first starting out, it's OK to do cold plunges in short increments - even 30 seconds at a time - to build up your tolerance.

You can't see or taste them, but microplastics are in your blood, your brain, and possibly your mood. Here's what the science says.

Evidence-based alternatives to caffeine, their physiological mechanisms, and the current limitations of multi-ingredient ...

For decades, dopamine signaling was viewed primarily through the lens of motor vigor—how fast or forcefully one moves. However, a landmark 2025 study from Karolinska Institutet published in Nature ...

Takotsubo syndrome is a condition characterized by acute transient left ventricular systolic dysfunction, which at presentation can be challenging to distinguish from acute myocardial infarction.

A man in his mid-forties, Mr. Ravindra, who hails from Vijayawada, Andhra Pradesh, was struggling with a long-standing ...

Urinary bladder paragangliomas (UBPGLs) are rare neuroendocrine tumours, comprising <0.05% of bladder neoplasms. We report a case of a male in his early 30s presenting with persistent lower abdominal ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Amilcar has 10 years of FinTech, blockchain, ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...