Lithiated Water
Excerpt from A Feast of Science, by Dr. Joe Schwarcz
It was once called “The Texas Tranquilizer” because of its association with reduced admissions to mental hospitals and low crime rates. No, it wasn't a pill prescribed by physicians or a weapon wielded by law enforcement officers. It was naturally occurring ionic lithium in the water supply, particularly in the town of El Paso.
The theory about the calming effects of lithium on the population of the Texas town first emerged in 1971 when University of Texas biochimist Earl Dawson noted the presence of lithium in urine samples collected from some 3,000 citizens. He suggested the lithium mush have come from the town's groundwater supply, which had a higher concentration of the element than is typically found elsewhere. Could this explain why Dallas with its surface water supply had seven times more admissions to state mental hospitals than El Paso? Could it also account for a crime rate that was half of that in Dallas, and a murder rate that was one twentieth?
There was already interest in lithium at the time because the U.S. Food and Drug Administration had just a year earlier approved the use of lithium salts for the treatment of manic illness. Although the idea that lithium could curb mania had been bloating around since the late 1800s, it wasn't extensively embraced, possible because this naturally occurring substance could not be patented and therefore was of little interest to pharmaceutical companies. But chitchat about the supposed benefits of lithium in water did send hopeful people scurrying to Lithia Springs, Georgia, to partake of its lithium-containing water. Luxury hotels mushroomed to welcome the rich and famous including Mark Twain, who is purported to have suffered from manic-depressive illness. But you didn't have to traipse all the way to Georgia to experience the legendary benefits of lithiated water. In 1887, a bottling plant was built, and the water was shipped around the country. Other marketers cashed in on the popularity of lithiated waters by just adding lithium bicarbonate to spring water.
Calming ambiance. Picture by Elena. |
Then in 1929, Charles Grigg decided to get a step up on the competition by adding citrus flavor and sugar along with lithium citrate to carbonated water. He called it Bib-Label Lithiated Lemon-Lime Soda and claimed that it would “take the ouch out of grouch. The beverage was also a cure for hangovers, Grigg maintained. But the drink's name didn't exactly roll off the tongue, and he soon changed it to the simpler 7-Up. Why he chose the name isn't clear. Some suggest that it had seven ingredients and the ”Up” referred to the mental lift it provided. Others claim the bottle contained 7 ounces and featured bubbles that rose when opened. Grigg took the secret of the name to his grave, but 7-Up is very much alive, although it no longer contains any lithium. The beverage was reformulated in 1950 after the FDA banned the use of lithium as an additive.
Water with naturally occurring lithium, however, can still be marketed. “Earth's Healing Magic in a Bottle” can be purchased from the Lithia Mineral Water Company, still located in historic Lithia Springs. Whether at 180 parts per billion (ppb) lithium has any biological activity is open to debate. This is way less than the dose used to treat mental illness, but in 2009 a Japanese study did link low levels of naturally occurring lithium in drinking water with an increased risk of suicide. Then two years later, the same group showed that even with the data adjusted for suicides, lithium exposure at levels even below 60 ppb was associated with a reduction in the standardized mortality ratio (SMR), albeit only by a few percent. The SMR is defined as the ratio of observed deaths to that expected in the general population.
The researchers then went to raise a species of roundworm commonly used for anti-aging studies in an environment where they were exposed to 60 ppb of lithium continuously and found that after twenty-five days, about 15 percent of the untreated worms were still alive as compared with 10 percent of the untreated ones. Not exactly a stunning finding, but I guess if you are a roundworm, lithium might allow you to squiggle around for an extra day or so.
That study may just give producers of Happy Water, with its 100 ppb of lithium, sourced “from two ancient Canadian springs,” a little promotional wriggle room. It's doubtful that the water will put a spring in your step and a smile on your face, as the advertising suggests, but the claim that it is “free of empty calories” is good for a giggle. Contains full calories?