Stress isn’t always a bad thing; it can be handy for a burst of extra energy and focus, like when you’re playing a competitive sport or have to speak in public. But when it’s continuous, it actually begins to change your brain. Madhumita Murgia shows how chronic stress can affect brain size, its structure, and how it functions, right down to the level of your genes.
This is Your Brain in Meltdown. Scientific American SOURCE: “STRESS SIGNALLING PATHWAYS THAT IMPAIR PREFRONTAL CORTEX STRUCTURE AND FUNCTION,” BY AMY F. T. ARNSTEN, IN NATURE REVIEWS NEUROSCIENCE, VOL. 10; JUNE 2009