Stress Hormones

Definition

Stress hormones are chemicals released in the body in response to stress, helping to manage the physical and mental changes that come with challenging situations.

Scientific / Technical Definition

Stress hormones, such as cortisol, adrenaline, and norepinephrine, are secreted by the adrenal glands as part of the body's fight-or-flight response to stress. These hormones play crucial roles in regulating metabolism, immune response, cardiovascular function, and central nervous system activity during stressful situations.

Benefits

• Help the body respond effectively to stress.
• Regulate energy production and distribution.
• Enhance alertness and focus during stressful situations.
• Aid in maintaining homeostasis by balancing immune responses.

Examples

• Cortisol is released during prolonged stress to mobilize energy and regulate immune functions.
• Adrenaline increases heart rate and energy availability during acute stress.

Additional Information

• effects: Stress hormones can lead to increased heart rate, heightened alertness, and elevated blood sugar levels. Chronic elevation can contribute to negative health effects such as hypertension and anxiety.

Related Terms

• Cortisol

References

• The Physiology of Stress: Cortisol and the Hypothalamic-Pituitary-Adrenocortical Axis
• Stress hormones: Protective or damaging?