- by Dr Dayanand Suryavamshi
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- Aug 19 2017
Best lighting for health
LEDs are secure than incandescent or white hot bulbs, tube lights and CFLs, which cause migraines, eye strain, and disrupted sleep sequence. Among LEDs, choose white LEDs over red ones, due to low lead and arsenic matter. Avoid surplus brightness and make sure lights are adequate for reading. Natural sunlight conserves energy and is good for health. Circumvent lights during the day.
Artificial lighting has a direct influence on your health. We often experience eye stress, headaches and irritable behavior if exposed to strong lighting. A research published in the Journal of Clinical Endocrinology and Metabolism has disclosed that particular kinds of electric lights can intensify the risk of developing type 2 diabetes, variations in blood pressure and cancer.
Let us first understand the various kinds of artificial light we have used so far in our offices and homes.
The history of artificial lighting began with incandescent bulbs which utilize more energy. Also, their strong, yellow light has a negative influence on the eyes. These kinds of bulbs are prominent in orange, yellow and red, frequencies which make people squint in its bright light as they first reach the cones in the eye. The yellow frequency is not captivated which is why you experience a sine from incandescent bulbs. This shine can cause eye strain and also lead to shortsightedness or myopia. The incandescent bulb also has an inclination to get overheated as it gives out thermal radiation. Reading under this kind of bulb can cause teary eyes and headache from the thermal radiation.
The innovation of tube lights came as an embracing change after incandescent bulbs. They rapidly found their way into most homes and offices. Research has shown that tube lights can repress production of melatonin, the hormone that helps manage your sleep and wake cycles. The bluish-yellow frequency from tube light rays can worsen symptoms of migraine, autism or Asperger syndrome. The cool white color also has a harmful effect on your biological clock. Another worry is the constant glimmer, which is not noticeable unless you watch closely, and its negative influence on your eyes.
CFL And LED Bulbs
The Compact Fluorescent Lamps (CFL) and Light Emitting Diode (LED) bulbs are highly energy effective. They release a cool, white frequency light and hence cause less stress to the eyes.
But, many scientists and researchers have expressed their worry on their safety of CFLs:
UK’s top eye experts claim that CFLs harm the retina and cause macular degeneration in the end
The ultraviolet waves from CFLs also raise the risk of eye cataracts.
Experts warn that the ultraviolet release from CFLs can injure the skin and raise the risk of skin cancer.
CFLs may also cause symptoms like rashes, prickly heat, redness, eye irritation
and itching. The expert also believes that the persistent glimmers from CFLs bother people with a migraine and also provoke epileptic fits and headaches.
Chronic Fatigue Syndrome (CFS) is also another side effect of CFLs.
The worries with LED lighting are almost alike.
The semiconductor diode that emits light energy has a damaging influence on human eyes and skin. LED lighting can harm the retina and eventually lead to blindness. However, Dan Roberts, Director of Macular Degeneration Support, a non-profit based out of Missouri declares that the damage caused by LED can be limited by inherent defense in the product. LEDs are directional lights unlike the 360-degree lighting of CFLs. The blue light frequency from LEDs can harm the retina if you are susceptible to macular issues due to genes, age, comorbidity, diabetes and high blood pressure.
Choosing the best house lights
Out of the 4 kinds of artificial lighting, LEDs are harmless if they come with inherent protection unit. White LED lighting certainly has lesser lead and arsenic than its high-intensity red light equivalent. So, choose the white alternative with the right wattage and brightness depending on the area within each room. Do not inessential go for surplus brightness which can be harmful in the long run. Make sure the lights are adequate for reading, especially during the night.
If your home has enough natural lighting, make sure to take advantage of it during the day. Avoid switching on artificial lights during the day if you get adequate natural sunlight. If you are establishing a new home, spend some time understanding the best way to increase natural light. Ask your architect to recommend skylight windows at better locations so that your entire house can be filled with sunlight during the day.
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