Cilia are the finite hairs that line the windpipe and act like microscopic breathing filters. According to studies, positive ions decrease cilial activity while, conversely, negative ions have a more increasing and positive effect. Himalayan salt lamps are therefore believed to improve breathing by releasing negative ions that filter foreign particles and keep the lungs cleaner in general. 
Salt lamps, which are merely light bulbs of varying wattages placed within blocks of rock salt of varying sizes, have become an increasingly popular product in the alternative medicine scene and are marketed as “natural ionizers.” An ionizer, in theory, produces ions, which are atoms or molecules with a net positive or negative charge caused by an uneven number of protons to electrons.
Sellers of these spa-like room accessories claim the lamps can "clear the air of electro-smog," oxygenate the brain, reduce symptoms of such mood disorders as seasonal affective disorder and even improve the immune system. Proponents claim these lamps work in two ways: They attract allergens and pollutants from the air to their surface, and they generate negative ions.

All the claims described above rely on the singularly false assertion that a block of salt with a light bulb inserted inside will naturally emit negative ions. That argument, when intelligible, usually invokes some sort of interplay between the salt, which attracts water from the air, and the heat from the light evaporating that water, as described in a non-peer-reviewed 2010 paper in the Pakistan Journal of Molecular Biology:
To accent the natural beauty of the salt crystals, they’ve housed them in a decorative metal vase, perfect for the design-conscious home. Illuminate your room with a warm, pleasant and relaxing amber glow. It's a perfect choice in the center of a coffee table, desk. Great for meditation, yoga spaces, and as a nightlight. Also, you can try it as a bedside lamp.
So far there are no scientific studies on the ability of Himalayan salt lamps to produce negative ions. However, the few ions, if any, emitted by the salt lamp are different from the negative air ion machines used in clinical studies, according to the Columbia University Medical Center. The Negative Ion Information Center attempted to test the amount of ions released by a popular salt lamp and found that the negative ion emissions were so low that they could barely be measured.
[…] While some dispute the health claims of this type of salt, saying the mineral content is too small to make any sort of recognizable difference, many others use Himalayan salt as a healthy addition to their diet. Some people even enjoy the soft glow of a Himalayan salt lamp in their house as it is said to reduce positive ions in the home environment, improving health and well-being. […]
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I think people should just try them for their selves and make up their own minds. I know a someone that has been a teacher for 30 plus years and she swears by them. She has used these salt lights in her class room for the past 5yrs and like she said it’s just her opinion but her class rooms have been a lot calmer since she’s been using them. SHE has even gone as dark as to have themy off for months just to see if they were truly working. Oh ya she is a elementary teacher.

Also, your citation of an EPA website is useless. It just links to the EPA’s IAQ site, which isn’t helpful in trying to figure out what you actually were using from the site. I don’t think I’d use WebMD as a source either if you want to appear reputable to the more intelligent people who can spot bullshit. (Not say WebMD doesn’t have valuable info. Kinda like Wikipedia, a lot is useful and valid, but I would never use it as a source.)
Houseplants are a great way to improve indoor air quality. Not only do they add oxygen, many plants absorb volatile organic compounds (VOCs) and other harmful chemicals from the air. Commercial air purifiers don’t remove these gaseous chemicals from the air, according to the EPA. However, opening a window or two does help clear them out of your home.
Hi Alex, Himalayan salt lamp is a type of rock salt lamp – they are made from salt crystals from the Himalayan mountain regions and come in variety of shades such as white or orange/pink. There are other rock salt lamps that come from a number of other locations throughout the world (although some claim that the finest quality comes from the Himalaya).
Incidentally, that nice pinkish color that glows once the bulb is turned on is the only thing you are going to get from a salt lamp. Salt lamps may look neat, but claims that they can do anything medically rely — fatally — on the claim that the lamps produce negative ions and then further rely on a series gross simplifications or misinterpretations of science to argue that those negative ions (which don’t exist in the first place) could affect you in any meaningful way.
All matter (the human body, air, water, etc) is made up of molecules which are made up of atoms which are made up of three types of particles: protons (positive charge), electrons (negative charge), and neutrons (no charge). Electrons orbit their molecules like planets revolve around a star. Occasionally an electron flies off and when it does, it leaves behind a positively-charged ion whose sole purpose in life becomes to fill the void left by its little lost electron. In other words: it wants to steal a replacement electron from another molecule. Due to differences in molecular structure (number of electrons in the outermost orbit, strength and structure of electron bonds, etc) some materials lose electrons much more easily than others.

Himalayan pink salt lamps help clean the air through an operation called hygroscopy, which attracts and absorbs contaminated water molecules from the immediate environment and locks them into the salt crystal. The process has the amazing ability to remove cigarette smoke, dust and other contaminants from the air. This benefit is particularly popular, as salty air acts as an overall health booster and can help clear the air passages. 

As for the idea that water vapor in the room attracts pollutants, then sticks to the surface of the lamp, that, too, makes little sense, he said. Some pollutants in the air might, by chance, stick to water vapor on the surface of the lukewarm piece of rock salt, but there's no evidence that the meager heat produced by a light bulb could produce significant amounts of pollutant filtering, he said.
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rubbing alcohol kills those suckers FAST! You have to be careful because rubbing alcohol is flammable but it is highly effective. Our downstairs neighbor in our old apt. building had a nest of bedbugs he never bothered to get rid of and they spread through our building. We ended up with an infestation ourselves which two visits from an exterminator was not able to eradicate. I was desperate and at the end of my rope when I started trying all different types of chemicals, pledge, windex, you name it.. nothing really worked until I spilled rubbing alcohol on my bed by accident. Next thing you know, they were avoiding that side of the bed… I started spraying the mattress every night before bed (leaving the room until the fumes settled). problem solved! We’ve since moved and not a single one made it to our new place, THANK GOD!

As I just said, Himalayan salt lamps are inherently fragile. Once you own one, you definitely need to be careful not to drop it or bang it into other solid objects because the salt crystal can be damaged very easily. This is actually a rare time when durability is not desirable. If your salt lamp is unaffected by a collision, it could likely be an imposter.
All matter (the human body, air, water, etc) is made up of molecules which are made up of atoms which are made up of three types of particles: protons (positive charge), electrons (negative charge), and neutrons (no charge). Electrons orbit their molecules like planets revolve around a star. Occasionally an electron flies off and when it does, it leaves behind a positively-charged ion whose sole purpose in life becomes to fill the void left by its little lost electron. In other words: it wants to steal a replacement electron from another molecule. Due to differences in molecular structure (number of electrons in the outermost orbit, strength and structure of electron bonds, etc) some materials lose electrons much more easily than others.
 This claim stems from research performed on laboratory rats who were under anesthesia and essentially pumped directly with high concentrations of negatively ionized air. It goes without saying that humans are not rats, and a that specifically designed laboratory ionization instruments produce a whole lot more ions than a salt lamp, which, not to drive this point home too much, they do not.
Salt mined from natural sources. Each heart salt lamp is unique, and you will receive ones similar to the image shown. The salt lamp also comes in its unique shade. Light up your home, office, or workspace, with the beautiful warm glow that only this salt heart lamp can give you. Enjoy the ambiance created by a beautifully lit heart bathing your room with the light that can only come from the world’s highest mountains. Get the mood lighting and warm glow that comes from salt mined from the...
Himalayan pink salt has quickly risen in popularity due to its alleged healing properties and its unique aesthetic appeal. Whether you are buying spices from the grocery store, booking a spa treatment or shopping for home decor, you will probably come across the pink-orange salt. One of the most common uses of Himalayan pink salt is in table lamps that are often recommended for their alleged healing properties.

For smaller rooms, or simply for added variety, consider adding some Himalayan Salt Lamp Candle Holders to your collection. Alternatively, this Samgreho Wall Plug Himalayan Salt Lamp makes another great portable salt lamp. On the opposite end of the scale, if you are looking to make a big statement (or you just really love salt lamps), then this absolutely giant Indus Classic Salt Lamp is for you – but only if you have very deep pockets!
If you've been scratching your head over what exactly a Himalayan salt lamp is, here's a quick explainer. This wellness product is created out of pink salt crystals that are native to areas close to the Himalayas, like Pakistan. The pink salt is used in everything from cooking slabs for grilling to what's known as "salt therapy" at local spas. When it comes to the lamps, the pink salt is thought to release negative ions into your space, which would be able to get rid of dust particles that may affect your health. Because of that, many believe that it can do everything from increasing your energy levels to alleviating symptoms of allergies. There's also claims that these pink salt lamps can even help boost your overall mood and can help you sleep more soundly.

Comes with 15-watt bulb, Dimmer switch and 6-feet electric cord. ETL-listed (complete lamp). Relax in the warm glow of this Himalayan natural salt crystal lamp. It is wholesome and good for a creative mind. Bring divine harmony to any room with this beautiful salt crystal lamp. Its therapeutic glow of orange hues infuses a natural calm bringing the mind and body to a gradual sense of tranquility and wellbeing. Experience it for yourself. Package content: 1 x natural Himalayan salt lamp 1 x dimmer Switch 15W bulb (one pre-installed) 1 x user manual.
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