The brain constantly blends split-second reactions with slower, more thoughtful processing, and new research shows how it ...

The amygdala is part of the limbic system, which regulates emotional and behavioral responses. An amygdala hijack is a fight-or-flight response to stress. To better understand what an amygdala hijack ...

Investigators find that MRSA infection impairs the ability of lymphatic vessels to pump lymphatic fluid to lymph nodes in mouse models, which may contribute to the frequent recurrences of MRSA ...

Many important brain functions depend on the coordinated activity of large populations of neurons within one region or across brain regions. Neural oscillations in the gamma frequency range (30–80 Hz) ...

In the United States, flu season typically lasts from October to May. The flu virus affects people of all ages each year, and symptoms include coughing, runny nose, fever, chills, body aches, and ...

Chelsea Rae Bourgeois is a health writer and registered dietitian nutritionist with over eight years of experience in the clinical setting. Her writing covers nutrition and overall health topics, ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Ebony Howard is a certified public accountant and a QuickBooks ProAdvisor tax expert. She ...