Stress

Definition

Stress is the body's reaction to any change that requires an adjustment or response. It can be physical, mental, or emotional, causing various feelings and reactions.

Scientific / Technical Definition

Stress is a physiological and psychological response to perceived challenges or threats that disrupt an individual's homeostasis, triggering the release of hormones such as adrenaline and cortisol. These responses prepare the body for a 'fight or flight' reaction and can impact bodily functions if prolonged.

Benefits

• Short-term stress can enhance cognitive function by improving alertness and focus.
• It can strengthen the immune system temporarily by activating defense mechanisms.

Examples

• Public speaking often causes short-term stress that some people find motivating.
• Work deadlines can be a source of stress but may also drive productivity for certain individuals.

Additional Information

• Effects: Chronic stress can lead to a variety of health issues, including heart disease, depression, and a weakened immune system.

Related Terms

• Cortisol

References

• Stress effects on the body
• Understanding the Stress Response