Here are definitions of medical terms related to stress:
Adrenaline: Epinephrine, the hormone that serves as a stimulant in the body, increasing blood pressure and heart rate, among other roles.
Hormones: A chemical substance produced by a gland and released into the bloodstream. Hormones can stimulate or inhibit various vital processes in the body.
Massage: The gentle practice of manipulating the body's tissues in order to soothe and heal.
Phobia: An abnormal fear of an object, experience, or place.
Yoga: A discipline that focuses on the body's muscles, posture, breathing mechanisms, and consciousness, in order to attain physical and mental well-being through mastery of the body.