Fight-or-flight response Health Dictionary

Fight-or-flight Response: From 1 Different Sources


Arousal of the sympathetic part of the autonomic nervous system in response to fear but which also occurs in anxiety disorders. Adrenaline (epinephrine), noradrenaline (norepinephrine), and other hormones are released from the adrenal glands and nervous system, leading to a raised heart-rate, pupil dilation, and increased blood flow to the muscles. These effects make the body more efficient in either fighting or fleeing the apparent danger.
Health Source: BMA Medical Dictionary
Author: The British Medical Association

Immune Response

The body’s defensive reaction to microorganisms, cancer cells, transplanted tissue, and other substances or materials that are recognized as antigenic or “foreign”.

The response consists of the production of cells called lymphocytes, substances called antibodies, or immunoglobulins, and other substances and cells that act to destroy the antigenic material.

(See also immune system.)... immune response

Barley Tea May Fight Cancer

Barley tea is widely consumed due to its medicinal properties. It fights effectively against several types of cancer, due to its high content of antioxidants. Barley Tea description Barley is a self-pollinating annual plant, member of the grass family. It grows to a height of 1 to 4 feet, being able to withstand various growing conditions. It is found in grasslands, woodlands, disturbed habitats, roadsides and orchards. The grass of barley is acknowledged to be a source of fiber, vitamins, minerals, and amino acids and it also has a high content of antioxidants. In traditional Chinese medicine, Barley grass has been prescribed to fight diseases of the spleen or poor digestion. It has also been effectively used to treat depression or emotional imbalance. Barley tea is the resulting beverage from brewing the abovementioned plant. This is a very common and appreciated drink in many parts of Asia including Japan, China, Malaysia and Singapore. Barley tea is popular in Japanese and Korean cuisine: the barley grass is often roasted and then stewed in hot water. It is also intaken as a caffeine-free coffee substitute in American cuisine. It is traditionally used for detoxification, to improve digestion and for urinary tract infections. Barley Tea brewing Barley tea is available in loose grains, tea bags or already prepared tea drinks. It is usually made by briefly simmering roasted barley grains. The resulting beverage has a toasty taste, with slight bitter undertones. Barley tea is best consumed hot, though some report that room temperature and even cold barley water is still effective. Barley Tea benefits Studies conducted so far showed that Barley tea is effective in treating:
  • certain forms of cancer
  • digestion
  • prostate
  • sleep disorder
Barley tea is believed to help relieving early symptoms of colds, acting as a daily nutritional supplement and successfully cleansing the body of toxins. This tea may help improve blood sugar levels and also reduce bad cholesterol levels. Barley Tea side effects Barley tea is not recommended for nursing and pregnant women because it may stop lactation. Barley tea is a healthy alternative to caffeine drinks and people choose it daily to replace the first mentioned beverage.... barley tea may fight cancer

Response Rate

The number of completed or returned survey instruments (questionnaires, interviews, etc) divided by the total number of persons who would have been surveyed if all had participated. Usually expressed as a percentage.... response rate

Visual Evoked Response

Stimulation of the retina of the EYE with light causes changes in the electrical activity of the cerebral cortex (see BRAIN). These changes can be measured from outside the skull and can give valuable information about the state of the visual pathway from the retinal ganglion cells to the occipital cortex. Not only can it determine that function is normal, it can also help to diagnose some causes of poor VISION.... visual evoked response

Evoked Responses

The tracing of electrical activity in the brain in response to a specific external stimulus. The procedure is similar to that for an EEG.

The technique is used to check the functioning of various sensory systems (such as sight, hearing, or touch). The information obtained can be used to reveal abnormalities caused by inflammation, pressure from a tumour, or other disorders, and to help confirm a diagnosis of multiple sclerosis.... evoked responses

Auditory Brainstem Response Audiometry

(ABR audiometry, brainstem evoked response audiometry, BSER) an objective test of hearing that measures the electrical activity in the auditory nerve and *brainstem following sound stimulation using repeated clicks or brief tones.... auditory brainstem response audiometry

Auditory Steady State Response

(ASSR) an objective test of hearing that measures the electrical activity in the auditory nerve and *brainstem following sound stimulation using a modulated continuous tone.... auditory steady state response

Biological Response Modifier

(BRM) a therapeutic agent, such as *interferon or *interleukin, that influences the body’s defence mechanisms to act against infection and disease. In small amounts, these substances are produced naturally by the body; larger doses have been genetically developed for use against rheumatoid arthritis, hepatitis, and cancer (especially melanoma and renal cancer).... biological response modifier

Brainstem Evoked Response Audiometry

see auditory brainstem response audiometry.... brainstem evoked response audiometry

Cortical Evoked Response Audiometry

(CERA) an objective test of hearing that measures the electrical activity in the *cerebral cortex following sound stimulation.... cortical evoked response audiometry

Flight Of Ideas

accelerated thinking that occurs in psychosis, mania, hypomania, and attention-deficit/hyperactivity disorder. Speech is rapid, moving from one topic to another and reflecting casual associations between ideas. In contrast to *loosening of associations, the link between themes is preserved, albeit often difficult to follow.... flight of ideas

Immuno- Combining Form Denoting Immunity Or Immunological Response.

... immuno- combining form denoting immunity or immunological response.

Response

n. the way in which the body or part of the body reacts to a *stimulus. For example, a nerve impulse may produce the response of a contraction in a muscle that the nerve supplies.... response

Response Prevention

a form of *behaviour therapy given for severe *obsessions. Patients are encouraged to abstain from rituals and repetitive acts while they are in situations that arouse anxiety. For example, a hand-washing ritual might be treated by stopping washing while being progressively exposed to dirt. The anxiety then declines, and with it the obsessions.... response prevention

Systemic Inflammatory Response

see shock.... systemic inflammatory response



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