The adrenal glands are located above the kidneys and composed of the inner adrenal medulla and the outer adrenal cortex. The adrenal medulla releases two hormones -- epinephrine and norepinephrine. The adrenal cortex releases many different...
The acceleration and sense of falling during an exciting ride trigger the body's fight-or-flight mechanism. Although live smarter guru Tony Robbins classifies stress as what happens when the body goes into fight-or-flight mode when it's able to...
Your body's reaction to fear, stress, excitement and anxiety is a result of the instinctive fight-or-flight response. Our bodies involuntarily react to dangerous situations through the sympathetic nervous system. Several responses in various parts...
Adrenaline, also called epinephrine, is a hormone secreted by your adrenal glands, which sit on top of each of your kidneys. Once released by these glands, adrenaline produces a variety of effects on your body, including increases in your heart...
Anxiety disorders afflict approximately 40 million American adults each year, according to the National Institute of Mental Health. Anxiety disorders can manifest in many different forms, including panic disorder, generalized anxiety disorder,...
A type of anxiety disorder, panic disorder causes the patient to have "repeated, unexpected attacks of intense fear," according to the experts at the National Institutes of Health (NIH). Women are twice as likely to be diagnosed with panic...
Sudden anxiety can result from everyday situations or recurring problems. In severe cases it can lead to heart palpitations, shortness of breath, stomach aches, chest pain, nausea or dizziness. Fainting can also occur, due to increased blood...
Stress and anxiety can get mixed up, as one often leads to the other. According to the National Institutes of Health, stress stems from something that makes you feel frustrated, while anxiety causes you to feel uneasy and fearful, usually from...
While there’s nothing wrong about getting ramped up for a big tennis match, too much excitement may do more harm than good. Your sense of energy and vigor actually depend upon the release of the hormone adrenalin, which flows from the...
GABA, gamma-aminobutyric acid, is classified as a neurotransmitter -- a chemical that sends messages to the brain. Under stress, the body releases chemicals that signal the brain to initiate the fight or flight response. When the source of stress...
Often referred to as the "stress hormone," cortisol is a hormone secreted by the adrenal glands and responsible for many bodily functions including our fight or flight response. Too much cortisol production, however, can result in weight gain...
An adrenaline rush is commonly known as the "fight-or-flight" response, and happens when you feel a sudden threat. The perceived threat can range from a vicious dog barking, job or family stress or someone trying to pick a fight with you. The...
The combination of dizziness and excessive sweating strongly suggests increased activity of two hormones that are secreted by the adrenal gland---adrenaline and nor-adrenaline. These hormones are part of the "fight or flight" response. They cause...
A high heart rate could be the result of stress or anxiety. When you are under duress, your body releases a chemical called adrenaline as part of the “fight or flight” response. Adrenaline increases your breathing and heart rates in an...
Many instances of goosebumps are experienced in the presence of cold temperatures. The stimulus of cold surroundings causes the tiny muscles attached to each hair follicle to contract. This contraction causes the hair strands to literally "stand...
The adrenal glands, located just above the kidneys, release cortisol -- a stress hormone that raises blood glucose. According to the website How To Be Fit, cortisol is part of the "fight or flight" response, the body's way of releasing extra...
According to the American Psychological Association, anger is a common human emotion that can cause reactions that range from mild frustration to violent rage. This wide variety of responses to anger is very much connected to each person's...
Deep breathing relieves stress and anxiety due to its physiological effect on the nervous system. Breathing slowly and mindfully activates the hypothalamus, connected to the pituitary gland in the brain, to send out neurohormones that inhibit...
Stress is a physical and psychological reaction to a threatening situation. The threat can be intangible, like the threat of losing a job, or tangible, like the threat of physical violence. Stress is a normal part of everyday life, and a certain...
Yoga, meaning "yoking together," offers a method of aligning your body and your mind to help you conquer stress with a peaceful, positive attitude. More than just a series of poses, yoga includes ancient Indian philosophy, meditation and breathing...
Everyone experiences stress, though they may not think about how stress actually affects their body. During periods of stress, the body goes into a "fight or flight" response to help the person deal more effectively with a stressful situation....
Beta blockers work by preventing the stress hormones epinephrine and norepinephrine from bonding with the adrenoceptors in the brain, heart, muscle tissues, eyes and vascular system. The hormones are a function of the body's sympathetic nervous...
Your adrenal glands are located above your kidneys and are part of your body's endocrine system. These glands are responsible for producing cortisol, which is an anti-inflammatory hormone, and adrenaline, which helps you cope with stressful...
Cortisol is a stress hormone produced by the adrenal glands, which sit just above the kidneys. Howtobefit.com says cortisol, which increases blood glucose, is part of the "fight or flight" response. This is the body's way of providing extra energy...
Cortisol is a hormone released by the adrenal glands, which sit just above the kidneys, in response to stress. It is the primary glucocorticoid, a type of hormone that raises blood glucose. Howtobefit.com reports that cortisol is part of the...
Testosterone is the male hormone responsible for secondary sex characteristics, such as large muscles, deep voice and facial hair. With age, this important hormone declines naturally. One of the best ways to boost testosterone and prevent this...
The adrenal glands, located on top of the kidneys, secrete hormones responsible for dealing with stress. Hormone production by the adrenal glands is impacted by your diet. Food and beverages that contain caffeine have a negative impact on your...
Many people rely on caffeine to get them up in the morning and sustain them throughout the day. However, high caffeine intake can increase the impact that physical and mental stress has on your body. Chronic stress can cause hormonal imbalances...
Adrenaline is one of the body's most important stress chemicals. It is secreted from the adrenal glands, which sit atop each kidney. Adrenaline also plays a key role as a neurotransmitter that facilitates communication between brain cells, or...
Yoga can help reduce stress and calm the body. Learn about yoga poses in this video yoga lesson.
Using aromatherapy to reduce stress is easy with these tips. Get advice on reducing and managing stress in this stress management video.