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Stress and Health

Stress: How It Affects Your Body, and How You Can Stay Healthier

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Updated May 14, 2011

Stress and Health

Stress can affect your body in many ways.

Types of Stress

Stress can be defined as any type of change that causes physical, emotional or psychological strain. However, not all types of stress are harmful or even negative. There are a few different types of stress that we encounter:

  • Eustress, a type of stress that is fun and exciting, and keeps us vital (e.g. skiing down a slope or racing to meet a deadline)
  • Acute Stress, a very short-term type of stress that can either be positive (eustress) or more distressing (what we normally think of when we think of ‘stress'); this is the type of stress we most often encounter in day-to-day life (e.g. skiing down said slope or dealing with road rage)
  • Episodic Acute Stress, where acute stress seems to run rampant and be a way of life, creating a life of relative chaos (e.g. the type of stress that coined the terms ‘drama queen’ and ‘absent-minded professor’)
  • Chronic Stress, the type of stress that seems never-ending and inescapable, like the stress of a bad marriage or an extremely taxing job (this type of stress can lead to burnout)

The Fight or Flight Response

Stress can trigger the body’s response to perceived threat or danger, the Fight-or-Flight response. During this reaction, certain hormones like adrenalin and cortisol are released, speeding the heart rate, slowing digestion, shunting blood flow to major muscle groups, and changing various other autonomic nervous functions, giving the body a burst of energy and strength. Originally named for its ability to enable us to physically fight or run away when faced with danger, it’s now activated in situations where neither response is appropriate, like in traffic or during a stressful day at work. When the perceived threat is gone, systems are designed to return to normal function via the relaxation response, but in our times of chronic stress, this often doesn’t happen enough, causing damage to the body.

Stress and Health: Implications of Chronic Stress

When faced with chronic stress and an overactivated autonomic nervous system, people begin to see physical symptoms. The first symptoms are relatively mild, like chronic headaches and increased susceptibility to colds. With more exposure to chronic stress, however, more serious health problems may develop. These stress-influenced conditions include, but are not limited to:

  • depression
  • diabetes
  • hair loss
  • heart disease
  • hyperthyroidism
  • obesity
  • obsessive-compulsive or anxiety disorder
  • sexual dysfunction
  • tooth and gum disease
  • ulcers
  • cancer (possibly)
In fact, most it’s been estimated that as many as 90% of doctor’s visits are for symptoms that are at least partially stress-related!

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