
What are the dangers of fluorescent lights?
Understanding The Dangers of Compact Fluorescent Light Bulbs
- Mercury Warning: Compact fluorescent light-bulbs contain very small amounts of mercury and care must be taken in disposing of them or when they break.
- Mercury Content. ...
- Radiation Emissions. ...
- Electrical Sensitivity. ...
- Electromagnetic Radiation. ...
How dangerous are CFL bulbs?
Sounds good—until you realize that CFL bulbs contain mercury, and mercury poses a significant cancer risk. A new study shows that CFL bulbs also emit high levels of ultraviolet radiation—specifically, UVC and UVA rays. In fact, the UV rays are so strong that they can actually burn skin and skin cells.
What are the effects of fluorescent lights?
Symptoms Of Fluorescent Light Sensitivity
- Eye strain
- Intolerance of fluorescents
- Eye inflammation or pain
- Difficulty in reading and focusing
- Blurred or impaired vision
- Headache or migraine attacks
- Light-headedness
- Dizziness
- Nausea
- Shortness of breath
Why are fluorescent bulbs hazardous?
This category includes fluorescent lamp tubes or bulbs. Fluorescent lamp ballasts are also considered a part of this category. The danger with these bulbs is that they contain small amounts of mercury, a potent, developmental neurotoxin that can damage the brain, liver, kidneys and central nervous system, especially in infants and young children.

Is fluorescent light bad for health?
The Bad: Fluorescent tubes & CFL bulbs contain a small amount of mercury gas (about 4 mg) – which is toxic to our nervous system, lungs and kidneys. So long as bulbs stay intact, the mercury gas is no threat. This means bulbs should be handled properly to avoid breakage.
Are LED lights healthier than fluorescent?
An LED tube is more energy efficient and lasts longer than a fluorescent tube. An LED lamp is safer due to its lack of toxic materials and is more durable than a fluorescent lamp.
What is the healthiest lighting?
But researchers' recommendations for creating a healthy lit environment are nonetheless straightforward: people should seek out bright light and blue light during the day, and minimize exposure to both at night.
What color light is healthiest?
Blue light is a particularly beneficial part of the light spectrum, helping us regulate our biological clock so we know when to sleep and when to wake up. Blue light therapy can also assist with SAD, a type of depression resulting from lack of daylight, and can even be effective as an antidepressant.
Is there a downside to LED lights?
Perhaps the biggest drawback of LED light bulbs is that they emit more blue light than incandescent bulbs, which are more on the red end of the spectrum. Blue light can cause a disruption in your circadian rhythm, negatively affect your ability to fall asleep and the quality of your sleep.
What are some negatives about LED lights?
One disadvantage of LEDs is the high initial cost per bulb. Over time, however, LED lights will pay for themselves through energy savings and incredibly long lifespans. Bulbs from various manufacturers may appear noticeably different in terms of their white light hues, so choose a well-known brand.
When should you not use LED lights?
Avoid LED lights above 3000K and/or labeled "bright white," "neutral white," "cool white," or "daylight white" as these lights will generally have a crisp, stark white color. LEDs with this light color contain a significant amount of blue light in their spectrum. Choose a bulb with a high CRI.
What are the disadvantages of using LEDs?
What are the disadvantages of LEDs?High up-front costs.Transformer compatibility.Potential color shift over lamp life.Performance standardization has not yet been streamlined.Overheating can cause reduced lamp life.
What about Migraines?
In a study conducted by the Cincinnati Children’s Hospital Medical Center, researchers noted that people who get frequent migraines are often “photophobic,” or more sensitive to light – and they may be more prone to suffering from a migraine as a result of exposure to fluorescent lights. This is particularly true because fluorescent lights flicker at an extremely high speed. As the bulbs start to go, this flickering becomes visible to the human eye and can trigger a migraine.
Do Fluorescent Lights Impact Your Sleep Pattern?
Some people have claimed that working under fluorescent lights for eight hours a day disrupts their circadian rhythm to the point where they can’t sleep properly .
Why are fluorescent lights so popular?
It’s easy to see why: these lights are bright, energy-efficient, inexpensive and long -lasting – and they require very little maintenance and extremely infrequent bulb changes.
Can UV light cause headaches?
Exposure to UV light can cause dizziness, eye strain and migraines in some people, but it can do this only if you’re exposed to a large amount of radiation in a short amount of time. The Canadian study found that these bulbs don’t put off nearly that required amount of radiation and ultimately concluded that as long as the bulb is at least a foot away while using it, you won’t experience any harmful effects. As for those long tubes that light up your office, the simple cylindrical shape makes them even more effective at containing this radiation, which means you’re even less prone to exposure than you would be with a CFL bulb.
What is the difference between a fluorescent bulb and a compact fluorescent bulb?
Another difference is that linear fluorescent tubes require an independent ballast that is separate from the bulb whereas most compact fluorescent light bulbs have an integral ballast built into the base.
How does a fluorescent light bulb work?
Light that comes from fluorescent bulbs is omnidirectional. When a fluorescent bulb is lit, it scatters light in every direction, or 360 degrees around the bulb. This is grossly inefficient because only about 60-70% of the light given off by the lamp is being used and the rest is wasted. Certain areas tend to become overlit from the wasted light, especially in office buildings, and may require additional accessories in the light fixture itself in order to properly direct the output of the bulb.
Why do fluorescent lights age?
2. Frequent switching results in early failure. Fluorescent lamps age significantly if they’re installed in an area where they are frequently turned on and off. Extreme conditions can cause the lifespan of a fluorescent lamp to be much shorter than that of a cheap incandescent.
Why do fluorescent lights need more voltage?
As fluorescent lights heat up, more voltage is required for them to operate. The voltage requirement is controlled by a ballast—a magnetic device that regulates voltage, current, etc.—which is necessary for a fluorescent bulb to light. As a fluorescent light ages, and becomes less and less efficient over time, it requires more and more voltage to produce the same amount of light, until the voltage eventually exceeds the capability of the ballast and the light fails.
What are the disadvantages of fluorescent lighting?
Fluorescent lamps are a specific type of gas-charged luminaire that produce light through a chemical reaction that involves gases and mercury vapor interacting to produce UV light inside of a glass tube. The UV light illuminates a phosphor coating on the inside of the glass tube which emits a white ...
What is early failure rate?
The aspect of early failure rates is something to consider if you are using fluorescent lights in conjunction with lighting controls, like motion sensors, that will activate frequently and time out. 3. Light from fluorescent lamps is omnidirectional. Light that comes from fluorescent bulbs is omnidirectional.
What happens if a fluorescent lamp is broken?
If a fluorescent lamp is broken, a small amount of toxic mercury can be released as a gas, contaminating the surrounding environment. The rest is contained in the phosphor on the glass itself, which is often considered a greater hazard than the spilled mercury.
What Causes Fluorescent Light Sensitivity?
Light sensitivity is termed as the intolerance to light which causes discomfort, along with the need to close or squint your eyes. Light sensitivity can also bring headaches because of their brightness.
How does fluorescent light affect your health?
Can fluorescent lights affect your health? A 2009 study done by Canada's Trent University found that UV radiation from fluorescent lights may cause eye strain, migraines and dizziness in people. The effects are lessened by placing the fluorescent lights at least 1 to 2 ft away.
How far away should fluorescent lights be?
The effects are lessened by placing the fluorescent lights at least 1 to 2 ft away. Fluorescent lights, especially CFLs (compact fluorescent lights) are commonly seen in offices, and homes. CFLs give out an efficient source of energy, according to the Thurston County, Washington Department of Public Health and Social Services.
What happens when CFLs hit the retina?
This disrupts the physiological processes in the brain and restricts the production of melatonin, the hormone that promotes sleep and wakefulness in the body . The blue light emitted from a CFL disrupts the body's circadian rhythm.
What are the effects of fluorescent lights on the eyes?
Health Effects Of Fluorescent Lights. 1. Eye problems. Fluorescent lights cause eye problems and the symptoms are eye strain, inflammation and excessive squinting. Some medical professionals have also theorized that retinal damage, myopia or astigmatism can also be due to the brightness of fluorescent lights.
How do you know if you are sensitive to fluorescent light?
Physical and emotional symptoms develop as a result of your sensitivity to fluorescent light. The following symptoms may develop after a few minutes of exposure or there may be a delay in the onset of these symptoms. 1. Eye strain. 2.
How long does a fluorescent light bulb last?
These fluorescent light bulb lasts up to ten times longer than other types of lighting and uses just one-fourth of the energy burned by incandescent bulbs. However, this form of lighting can lead to both positive and negative health effects.
What are the drawbacks of fluorescent lights?
When it comes to fluorescent lighting, a vast range of studies show causal links between prolonged exposure to fluorescent lights and various negative effects to your health and well-being. Much of this comes down to the poor quality of light from a fluorescent bulb, which gives off a limited spectrum of light. ...
Why do fluorescent lights flicker?
Another major problem with fluorescent lights is that they tend to produce a harsh glare and can flicker . This flicker may occur so quickly that you don’t consciously see it, but it can produce migraines, headaches, and eye strain as a direct result.
How does light affect productivity?
Poor productivity. Your office’s light levels can also influence your productivity. Individuals who work in artificial light are more likely to feel tired towards the end of the work day, compared to those working in natural light. Your quality of life is also affected by light exposure.
Why is it important to have natural light?
It’s important to receive a sufficient amount of natural light during the working day to boost your well-being, health, and productivity, even if that means taking time out and soaking in the sunlight outside your workspace. Comments are closed.
Is fluorescent light bad for health?
They’re cheap to buy and last about 12 times longer than a regular incandescent bulb. But fluorescent lights are also incredibly bad for your health.
Do office workers sleep longer?
Another study also found office workers with more light exposure at the workplace tended to sleep longer, as well as experience better sleep quality, are more physically active, and even have a better quality of life compared to office workers with less natural light exposure.
Does sunlight affect mood?
If you do not get sufficient exposure to sunlight, research shows that these rhythms and your resulting hormone levels can be easily disrupted. Other studies indicate the right lighting can decrease depression and improve your mood, alertness, energy, and productivity.
How do fluorescent bulbs reduce mercury?
Overall, using fluorescent bulbs reduces mercury in the environment through the energy savings. Recycling fluorescent bulbs contains the mercury gas and (bonus) most of the components of the bulbs are recycled. Below are some local programs to recycle your bulbs, most of which are free. Be sure to place each CFL bulb in a ziploc bag so they do not break in transit.
Why are fluorescent bulbs good?
Fluorescent bulbs exist in a variety of shapes and sizes. The Good: Fluorescent bulbs and CFLs save energy. They are 75% more efficient than a regular incandescent bulb and they last longer. Saving energy saves money and conserves resources (ie fossil fuels) and reduces pollution. Sounds good!
What happens when mercury bulbs break?
When the bulbs break, the mercury gas is released. The Ugly: Mercury contamination is widespread in our environment. This is in part due to natural occurrences but also legacy mining and energy production. Mercury can bioaccumulate in organisms such as fish.
Can fluorescent bulbs be recycled?
Recycling fluorescent bulbs contains the mercury gas and (bonus) most of the components of the bulbs are recycled. Below are some local programs to recycle your bulbs, most of which are free. Be sure to place each CFL bulb in a ziploc bag so they do not break in transit.
Can you replace mercury in CFL bulbs?
In fact, you may find CFL bulbs may be fully replaced by LEDs in the not-so-distant future.
Is mercury in fluorescent tubes bad?
So long as bulbs stay intact, the mercury gas is no threat. This means bulbs should be handled properly to avoid breakage.
Can you throw out bulbs in the trash?
There are some basic safety steps to follow if one is broken. Burnt-out bulbs should not be disposed of in the trash. Most bulbs break when thrown out, whether in the bin at home, in the truck, or at the landfill. When the bulbs break, the mercury gas is released.
