LIGHT THERAPY Meaning and
Definition
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Light therapy, also called phototherapy or bright light therapy, refers to the use of specific wavelengths of light to treat various physical and mental health conditions. This therapeutic approach involves exposure to artificial light sources that emit high-intensity light, typically mimicking natural sunlight. Light therapy is primarily used to alleviate symptoms associated with certain mood disorders such as seasonal affective disorder (SAD), but it has also shown promising results in treating other conditions like sleep disorders, skin conditions, and certain types of depression.
The process of light therapy involves sitting or working near a light therapy box or lamp, which emits bright light that is several times stronger than regular indoor lighting. The light source also filters out harmful ultraviolet (UV) rays to prevent any potential damage to the eyes or skin. During a light therapy session, the individual is encouraged to keep their eyes open without looking directly into the light source, as indirect exposure is sufficient to induce the desired therapeutic effect.
The theory behind light therapy revolves around the impact of light on the body's circadian rhythm, which regulates various physiological functions, including sleep-wake cycles. By exposing the body to bright light, light therapy aims to correct any disruptions in the circadian rhythm, thereby alleviating symptoms associated with mood disorders and sleep problems. The treatment duration and frequency may vary depending on the condition being treated, but a typical light therapy session usually lasts between 20 minutes to a few hours, often in the morning.
Light therapy has gained significant recognition as a safe and non-invasive treatment option for a range of health conditions. However, it is important to consult with a medical professional before commencing light therapy, as they can provide guidance on the appropriate duration and intensity of treatment based on an individual's specific needs and medical history.
Common Misspellings for LIGHT THERAPY
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Etymology of LIGHT THERAPY
The term "Light Therapy" is composed of two words: "light" and "therapy".
The word "light" originated from the Old English word "liht" and can be traced back to the Proto-Germanic word "leuhtaz". It is related to the Old High German word "liuhta" and the Gothic word "liuhts". The word itself refers to electromagnetic radiation within the range of visible light that provides illumination, enabling us to see.
The word "therapy" originated from the Greek word "therapeia", which means "healing" or "medical treatment". It is related to the Greek verb "therapeuein", meaning "to cure" or "to heal". The term was often associated with various methods and techniques used to alleviate physical or mental disorders.
