FDA Expands List of Potentially Deadly Hand Sanitizers
The Food and Drug Administration (FDA) has expanded its list of potentially toxic hand sanitizers to avoid because they could be contaminated with methanol.
Methanol, or wood alcohol, can be toxic when absorbed through the skin and deadly when swallowed. The FDA now lists 67 hand sanitizers that have been recalled, tested positively for methanol contamination or were reportedly made in the same facility as labels that tested positive.
"That should never be in a hand sanitizer," ABC News chief medical correspondent Dr. Jennifer Ashton told the network Monday. "Its absorption can produce toxic, and in some cases, deadly results."
We're alerting consumers & health care professionals that additional hand sanitizer products have been added to our… https://t.co/tBgOSGsI5e— U.S. FDA (@U.S. FDA)1594250755.0
The FDA issued an initial warning June 19 for nine hand sanitizers made by the company Eskbiochem SA de CV in Mexico. Since then, the agency has added dozens of other products and continues to investigate the use of methanol in hand sanitizer. The product has become incredibly popular since February, when the threat of the new coronavirus began to spread, and this has led to shortages of familiar brands like Purell, as well as the emergence of new brands to meet the demand, USA TODAY pointed out.
"All Americans should practice good hand hygiene, which includes using alcohol-based hand sanitizer if soap and water are not readily available. Unfortunately, there are some companies taking advantage of the increased usage of hand sanitizer during the coronavirus pandemic and putting lives at risk by selling products with dangerous and unacceptable ingredients. Consumers and health care providers should not use methanol-containing hand sanitizers," FDA Commissioner Stephen M. Hahn said in a July 2 press release.
The Centers for Disease Control and Prevention (CDC) recommends that people use hand sanitizers that are 60 percent or more ethanol, or ethyl alcohol, according to ABC News. The products flagged by the FDA are labeled as containing ethanol, but tested positive for methanol despite this.
Methanol is used industrially as a solvent, pesticide and fuel source, according to the CDC. Exposure can cause nausea, confusion, dizziness, headaches, blindness, heart and respiratory failure, coma and even death.
"Consumers who have been exposed to hand sanitizer containing methanol and are experiencing symptoms should seek immediate treatment for potential reversal of toxic effects of methanol poisoning," the FDA warned.
The agency said young children who drink hand sanitizer by mistake or teenagers or adults who drink it as an alcohol substitute are most at risk. The FDA has already received reports of children and adults who have gone blind, been hospitalized and died because they drank hand sanitizer contaminated with methanol.
Many of the contaminated hand sanitizers were sold under the brand name Blumen, according to ABC News. Some of this brand's products were available at the major retailer BJ's.
ABC7-WJLA health reporter Victoria Sanchez found a spot for impacted brand Modesa at a Family Dollar, but the store had sold out. However, the company website said the brand was available in store, ABC7-WJLA reported.
I’m on the hunt to see if recalled hand sanitizer is still on store shelves. At my fourth stop, I found Family Doll… https://t.co/VbzHW0bQmi— Victoria Sanchez (@Victoria Sanchez)1594745988.0
Dollar Tree, Inc., which owns Family Dollar, said the product it sold had not been recalled.
"We are aware of the recent U.S. Food and Drug Administration (FDA) report regarding certain hand sanitizer product. The third party manufacturer and supplier of this product has confirmed that none of our product contains methanol or was otherwise contaminated. The third party manufacturer and supplier has now issued a formal recall of certain potentially contaminated product and our hand sanitizer was not included on this list. We and the third party manufacturer and supplier are working to clarify this matter with the FDA," a spokesperson told ABC7 in an email.
However, the FDA has encouraged customers not to use any hand sanitizers made by the companies whose products tested positive.
According to USA TODAY, the companies behind the contaminated hand sanitizers include:
- 4E Global, which makes the Blumen and Modesa brands
- AAA Cosmetica
- DDI Multinacional
- Grupo Insoma
- Limpo Quimicos
- Liqesa Exportacion
- Maquiladora Miniara
- Mystic International
- Soluciones Cosmeticas
- Yara Elena De La Garza Perez Nieto
To find out if the hand sanitizer in your medicine cabinet is impacted, you can search a more detailed FDA database here. Shoppers should also watch out for any hand sanitizers that say FDA-approved, because the agency does not issue formal approvals for hand sanitizers, ABC News advised.
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The ghoulishly named ogre-faced spider can "hear" with its legs and use that ability to catch insects flying behind it, the study published in Current Biology Thursday concluded.
"Spiders are sensitive to airborne sound," Cornell professor emeritus Dr. Charles Walcott, who was not involved with the study, told the Cornell Chronicle. "That's the big message really."
The net-casting, ogre-faced spider (Deinopis spinosa) has a unique hunting strategy, as study coauthor Cornell University postdoctoral researcher Jay Stafstrom explained in a video.
They hunt only at night using a special kind of web: an A-shaped frame made from non-sticky silk that supports a fuzzy rectangle that they hold with their front forelegs and use to trap prey.
They do this in two ways. In a maneuver called a "forward strike," they pounce down on prey moving beneath them on the ground. This is enabled by their large eyes — the biggest of any spider. These eyes give them 2,000 times the night vision that we have, Science explained.
But the spiders can also perform a move called the "backward strike," Stafstrom explained, in which they reach their legs behind them and catch insects flying through the air.
"So here comes a flying bug and somehow the spider gets information on the sound direction and its distance. The spiders time the 200-millisecond leap if the fly is within its capture zone – much like an over-the-shoulder catch. The spider gets its prey. They're accurate," coauthor Ronald Hoy, the D & D Joslovitz Merksamer Professor in the Department of Neurobiology and Behavior in the College of Arts and Sciences, told the Cornell Chronicle.
What the researchers wanted to understand was how the spiders could tell what was moving behind them when they have no ears.
It isn't a question of peripheral vision. In a 2016 study, the same team blindfolded the spiders and sent them out to hunt, Science explained. This prevented the spiders from making their forward strikes, but they were still able to catch prey using the backwards strike. The researchers thought the spiders were "hearing" their prey with the sensors on the tips of their legs. All spiders have these sensors, but scientists had previously thought they were only able to detect vibrations through surfaces, not sounds in the air.
To test how well the ogre-faced spiders could actually hear, the researchers conducted a two-part experiment.
First, they inserted electrodes into removed spider legs and into the brains of intact spiders. They put the spiders and the legs into a vibration-proof booth and played sounds from two meters (approximately 6.5 feet) away. The spiders and the legs responded to sounds from 100 hertz to 10,000 hertz.
Next, they played the five sounds that had triggered the biggest response to 25 spiders in the wild and 51 spiders in the lab. More than half the spiders did the "backward strike" move when they heard sounds that have a lower frequency similar to insect wing beats. When the higher frequency sounds were played, the spiders did not move. This suggests the higher frequencies may mimic the sounds of predators like birds.
University of Cincinnati spider behavioral ecologist George Uetz told Science that the results were a "surprise" that indicated science has much to learn about spiders as a whole. Because all spiders have these receptors on their legs, it is possible that all spiders can hear. This theory was first put forward by Walcott 60 years ago, but was dismissed at the time, according to the Cornell Chronicle. But studies of other spiders have turned up further evidence since. A 2016 study found that a kind of jumping spider can pick up sonic vibrations in the air.
"We don't know diddly about spiders," Uetz told Science. "They are much more complex than people ever thought they were."
Learning more provides scientists with an opportunity to study their sensory abilities in order to improve technology like bio-sensors, directional microphones and visual processing algorithms, Stafstrom told CNN.
"The point is any understudied, underappreciated group has fascinating lives, even a yucky spider, and we can learn something from it," he told CNN.
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