Katie Wells, CTNC, MCHC, Founder and CEO of Wellness Mama, has a background in research, journalism, and nutrition. As a mom of six, she turned to research and took health into her own hands to find answers to her health problems. WellnessMama.com is the culmination of her thousands of hours of research and all posts are medically reviewed and verified by the Wellness Mama research team. Katie is also the author of the bestselling books The Wellness Mama Cookbook and The Wellness Mama 5-Step Lifestyle Detox.
This brings me to my next point. Atoms and molecules are less reactive when their valence electrons are organized in pairs. If they have an odd number of valence electrons, or if they have a few that are not paired together then they are called “free radicals” (Wikipedia). This does not mean that free radicals are only cations (positive ions). They can be cations, anions, or neutral. For example, neutral sodium atoms have one unpaired electron which can participate in chemical reactions with other elements, and Methylene (CH2), has two unpaired electrons on the central carbon atom. Free radicals are also not all bad. Wikipedia also states that free radicals play a key role in biology where they help to regulate the body. Usually when people talk about harmful free radicals they are referring to oxidants which loosely speaking are molecules which take away electrons from cell membranes, proteins, and DNA (cancer-causing mutations) in the human body. This is probably where the idea of free radicals being positive ions comes from because they like to steal electrons.
The unique salt lamp is made from natural salt crystals hand mined in the Himalayan mountains. Once lit the lamp will emit a calming amber color heating the salt with the included bulb releases negative ions into the air, creating an effect similar to an ionize and purifying the surrounding air. Due to the natural variation in crystal salt, weight, size, color, and shape may vary.
Mined from a 250 million-year-old dried seabed, pink Himalayan salt is thought to have many beneficial health properties. This salt lamp gives off what might be called a primordial glow, one part sunset, one part molten lava, creating a light source that captivates all who are near it. Adjust the simple electronic dimmer to get the desired intensity of glow. A metal base is filled with Himalayan salt, and one 15 W incandescent light bulb (included).

The negative ions in Himalayan salt lamps can help you breathe easier. Inside of our lungs are tiny hairs known as cilia which sweep away impurities. When these impurities are removed, we can breathe more easily. Many breathing problems are linked to tiny particles that are hard to remove with a broom or vacuum in our homes because in many cases, they are not even visible. Therefore, increasing the internal motion of the cilia can help screen out harmful particles that can make breathing difficult. Negative ions released by Himalayan salt lamps can help encourage the sweeping motion of these cilia.
What's more, the amount of air in the room is so huge relative to the size of the rock crystals that few of the pollutants circulating in the room could stick to the surface of the rock salt. Even if the lamps did manage to attract pollutants, the surface of the rock salt would quickly become coated with pollutants and no more could stick. Meanwhile, the air supply is always being replenished, either through ventilation systems or open doors or windows, bringing ever-more air pollutants into the room, he said.
I did my research and know these can be great and they also can be fakes. This is the real deal and a reputable great company. Well packaged and price is spot on compared for amazon. I have only had it two days now so I can not speak of long term effects, but even simply as a lamp it is relaxing and alluring. I plan to get at least 3 more for our home.

Remember, even if you’re like me and you can’t sleep unless the room is totally dark, you can always turn the lamp off at bedtime. Just leave it on for the rest of the day so it can do its work while you’re awake. People in humid climates should be aware that HPS lamps tend to weep when the salt becomes cool. You’ll definitely want to protect surfaces by placing a saucer underneath and be sure to follow the instructions for use and care which should be included with your lamp!
No consistent influence of positive or negative air ionization on anxiety, mood, relaxation, sleep, and personal comfort measures was observed. Negative air ionization was associated with lower depression scores particularly at the highest exposure level. Future research is needed to evaluate the biological plausibility of this association. Source: Air ions and mood outcomes: a review and meta-analysis.  

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I purchased this item from Amazon and a year or so later the dimmer switch stopped working. When I took it apart to inspect I found the transistor (which is severely undersized for this design) had overheated and burned up itself and the circuit board. I searched the part numbers online and discovered this is the *exact same* board that has been recalled by other manufacturers (i.e., Micheals). I do not understand why Amazon has not recalled their version of it yet. It is a fire waiting to happen. I would not recommend anyone using this product.
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