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Is LED bad for your health?

People coming across LED light may wonder how it is possible to generate so much light with low energy consumption. But not only that, revolutionary technologies have always raised concerns about their impact on human health. Who doesn't remember when the microwave oven first appeared? It was a true revolution in convenience and speed of food preparation. But soon doubts arose about the impact of microwave radiation on human health. Was it bad for your health to eat food heated in the microwave?

But after all, is LED lighting bad for your health? 

Good quality LED is not bad for your health, on the contrary. But, like all products, there are those of good quality and those of bad quality. If the LED flickers, yes, it can be bad for your health. This can happen with low-quality LED lamps. We call it the "flicker" effect. If we are subjected to this effect for a long time, our brain will be affected, and it can cause headaches and in some cases even trigger epileptic seizures. The problem is that flickering light is not easily perceived. The perception of a flickering light bulb is totally different from a flashing light bulb. In fact, when the light flickers, it varies in intensity smoothly and continuously. Imagine a cashier in a supermarket working 6 hours a day exposed to the "flicker" effect? He may have a headache and not even know that this headache may have been caused by the low-quality LED lamp.

Another relevant aspect is the glare caused by light. Obviously, no light is designed to be seen directly. But when it comes to LED, if you do, you will not burn your retina. You will only suffer symptoms of annoying eye fatigue - usually caused by excessively bright environments - that will then force you to look away and, at the insistence of the annoyance, stress your optic nerve.

Therefore, in every lighting design it is important to determine the exact amount of light for visual comfort. 

We list below some of the main benefits of LED for our Health (without considering its application in Lighting itself):

Does not emit UV rays

LED does not harm the skin, it does not accelerate cancer cells on long exposure to its light as is the case with other lamps. It also promotes better hydration of the skin due to the low temperature emitted by its light, which is cool instead of hot. You can stay uninterrupted hours under an LED light and your skin will not suffer any damage due to this. It is the type of light used in medical and beauty clinics, as well as in gyms.

Does not contain Mercury

The LED lamp body does not have Mercury in its manufacturing process or internal components as in other conventional lamps, and does not contain heavy metals, thus contributing to a correct recyclable disposal that avoids harming the environment. 

Ordinary light bulbs cannot and should not be disposed of anywhere. Another favorable point is that the LED light does not harm the plants, if your work environment has them.

Promotes higher levels of Concentration

One of the advantages of long exposure to LED is the help it brings in concentrating for work or study, which speeds up processes and increases both productivity and the brain's retention of information.

This reduces the workload required for these activities, leaving more time for leisure and rest - indispensable to maintaining a much healthier life.

Durability and lower cost

In addition to providing well-being to all, one of the great advantages of having LEDs is the lower cost of electricity, the safety in lighting, and the reduction of maintenance costs by avoiding premature changes.

Helps your Circadian Rhythm (Biological Clock)

The LED helps regulate our body's Biological Cycle due to its excellent light spectrum, which is much more powerful and flexible than that of other lamps. This adjustment of light intensity simulates in closed environments, what occurs with natural sunlight from dawn to dusk. The good use in the variation of light in LED is responsible for balancing and resetting this day-night relationship in our brain, through the production of the hormone called Melatonin, generated by the Pineal Gland.

Application in Medicine

The use of LED is already applied in brief treatments as in the reduction of aging by combating wrinkles through the LED Mask (used to close the pores and improve oiliness), in the control of acnes and psoriasis, in the elimination of warts, in combating hair loss and nail mycoses, in the treatment of cutaneous lymphomas and cutaneous leishmaniasis, in addition to fighting spots and skin cancer.


From time to time there is some false news on the internet that LED lighting is bad for your health, but the truth is that a good lighting design and quality LED lighting fixtures always solve most of the problems developed by any artificial lighting. 

The lighting fixtures manufactured by Luma provide well-being, durability and economy. And we adopt the concept of "Human Centric Lighting" where the human being's comfort is a priority. Get to know our segments.

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