Time Special Edition - USA - The Science of Stress (2019)

Manage It. Avoid It. Put It to Use. THE SCIENCE OF STRESS ...

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SPECIAL EDITION THE SCIENCE OF STRESS ...

CONTENTS 4 Fight or Flight Forever CHAPTER 1: DEFINING STRESS 10 Rising to the Challenge 16 The Doctor Who Changed the Way We Th ...

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THE SCIENCE OF STRESS INTRODUCTION he stakes were a lot simpler a couple of million years ago when we were living on the savanna ...

Our prehistoric ancestors—including Homo habilis, who lived roughly 1.4 to 2.6 million years ago in Africa—stressed over immedia ...

perhaps, but always present. And so too is the met- abolic mess it makes of us, a permanent state of fight or flight that we hav ...

to work to get back into a state of good health,” Selye wrote at the end of the test. The system had an appealing reductive- nes ...

Defining Stress CHAPTER ONE ...

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RISING TO THE CHALLENGE From physical threats to emotional conflict, stress triggers a series of complex biochemical reactions i ...

The stress response is activated in the limbic system of the brain (seen here via three-dimensional magnetic resonance imaging). ...

eginning in the 1930s, a McGill University fellow (later University of Montreal profes- sor) named Hans Selye pub- lished a seri ...

epinephrine—also known as adrenaline—which floods the blood and initiates a number of short- lived physiological changes. Heart ...

basis, cortisol helps maintain the body’s circadian rhythms, which regulate sleep and appetite, and it does other basic things w ...

Laughter and spending time with close friends and family are established stress-busters. complete a task—whether that task is st ...

These days, The medical profession Takes stress seriously—as countless studies on the effects of stress indicate it should. But ...

“I doubt whether modern man experiences more distress than his ancestors,” Selye once said. “It’s not that people suffer more st ...

PHYSICAL BREAKDOWN Whether you’re pitching in the big leagues or glued to your keyboard, repetitive strain injuries can be a rea ...