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Light therapy and Sunlight

Shortcuts: Differences, Similarities, Jaccard Similarity Coefficient, References.

Difference between Light therapy and Sunlight

Light therapy vs. Sunlight

Light therapy—or phototherapy, classically referred to as heliotherapy—consists of exposure to daylight or to specific wavelengths of light using polychromatic polarised light, lasers, light-emitting diodes, fluorescent lamps, dichroic lamps or very bright, full-spectrum light. Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light.

Similarities between Light therapy and Sunlight

Light therapy and Sunlight have 22 things in common (in Unionpedia): Ancient Egypt, Cataract, Circadian rhythm, Daylight, Electromagnetic spectrum, Indoor tanning, Infrared, Light, Light therapy, Lighting, Lux, Melatonin, Nanometre, Photokeratitis, Psoriasis, PUVA therapy, Radical (chemistry), Reactive oxygen species, Seasonal affective disorder, Skin cancer, Sun tanning, Ultraviolet.

Ancient Egypt

Ancient Egypt was a civilization of ancient Northeastern Africa, concentrated along the lower reaches of the Nile River - geographically Lower Egypt and Upper Egypt, in the place that is now occupied by the countries of Egypt and Sudan.

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Cataract

A cataract is a clouding of the lens in the eye which leads to a decrease in vision.

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Circadian rhythm

A circadian rhythm is any biological process that displays an endogenous, entrainable oscillation of about 24 hours.

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Daylight

Daylight, or the light of day, is the combination of all direct and indirect sunlight during the daytime.

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Electromagnetic spectrum

The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.

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Indoor tanning

Indoor tanning involves using a device that emits ultraviolet radiation to produce a cosmetic tan.

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Infrared

Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.

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Light

Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.

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Light therapy

Light therapy—or phototherapy, classically referred to as heliotherapy—consists of exposure to daylight or to specific wavelengths of light using polychromatic polarised light, lasers, light-emitting diodes, fluorescent lamps, dichroic lamps or very bright, full-spectrum light.

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Lighting

Lighting or illumination is the deliberate use of light to achieve a practical or aesthetic effect.

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Lux

The lux (symbol: lx) is the SI derived unit of illuminance and luminous emittance, measuring luminous flux per unit area.

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Melatonin

Melatonin, also known as N-acetyl-5-methoxy tryptamine, is a hormone that is produced by the pineal gland in animals and regulates sleep and wakefulness.

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Nanometre

The nanometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth (short scale) of a metre (m).

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Photokeratitis

Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense sunlight) or artificial (e.g. the electric arc during welding) sources.

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Psoriasis

Psoriasis is a long-lasting autoimmune disease characterized by patches of abnormal skin.

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PUVA therapy

PUVA (psoralen and ultraviolet A) is an ultraviolet light therapy treatment for eczema, psoriasis, graft-versus-host disease, vitiligo, mycosis fungoides, large-plaque parapsoriasis and cutaneous T-cell lymphoma using the sensitizing effects of the drug psoralen.

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Radical (chemistry)

In chemistry, a radical (more precisely, a free radical) is an atom, molecule, or ion that has an unpaired valence electron.

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Reactive oxygen species

Reactive oxygen species (ROS) are chemically reactive chemical species containing oxygen.

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Seasonal affective disorder

Seasonal affective disorder (SAD) is a mood disorder subset in which people who have normal mental health throughout most of the year exhibit depressive symptoms at the same time each year, most commonly in the winter.

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Skin cancer

Skin cancers are cancers that arise from the skin.

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Sun tanning

Sun tanning or simply tanning is the process whereby skin color is darkened or tanned.

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Ultraviolet

Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.

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The list above answers the following questions

Light therapy and Sunlight Comparison

Light therapy has 136 relations, while Sunlight has 186. As they have in common 22, the Jaccard index is 6.83% = 22 / (136 + 186).

References

This article shows the relationship between Light therapy and Sunlight. To access each article from which the information was extracted, please visit:

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