Appropriate Light Could Promote Human Health

By Author: Code Blue
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On many magazines, we can find that excessive light is harmful to body health. The effects of light on human health are reflected on the biological clock. New study found that appropriate light is beneficial to human health.

Human retinal cells are directly linked to ultra-optic tract nucleus, which has impact on the secretion of melatonin. Melatonin is a kind of antioxidants known as "blood cleaners", and it is generally secreted after people go to sleep. At night, light will prevent the secretion of melatonin and destroy the biological clock, or even greatly increase the incidence of breast cancer for women who often work over time at night. People who often work at night have to use light rationally to create a diurnal cycle by themselves to keep the normal hormone secretion in human body.

Light and vitamin D have great relationship. Study found that many current people are lack of vitamin D and it is because they try to reduce the time of exposing under sunshine to avoid getting skin cancers. People who work indoor for long term are often lack of vitamin D. The light therapy can reduce the risks of prostate ...
... cancer and colon cancer.

Lighting will also have benefits in patients with Alzheimer's disease. These patients often have very irregular work and rest schedule. After accepting a period of light therapy, their daily routine will gradually become regular. What’s more, the wavelength of light will also have an impact on treatment outcome. Another study showed that light therapy can cure children jaundice, psoriasis, season change syndrome and sleep disorders. In addition, the therapy can prevent myopia and some air-borne diseases. Meanwhile, the research of light’s effect on the treatment of high blood pressure and heart disease research is also currently in progress.

To create the light with the health benefits, it should at least provide a higher standard power 10 times than the current one. But I think it is really deserved.

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