Silver Nitro oxide

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Message warns people not to use fingernails to scratch off the coating on scratch tickets because the coating contains a substance called "Silver Nitro oxide" that can cause skin cancer. Scratch Card Hoax

Brief Analysis

The information in the warning message is untrue. The coating on scratch tickets is made of specialized latex inks. There are no credible references to a compound called "Silver Nitro oxide". There are no credible medical or scientific reports that suggest that scratch ticket coating has been linked to skin cancer. There are no credible references to an organization known as the "Medical Research Authority of the US". A 2013 version of the hoax claims that it was one "Dr Brian Berry" who discovered the Silver Nitro Oxide cancer connection. However, there are no credible references to a doctor of that name making any such discovery. The later version is as equally false as its predecessor. Both versions are hoaxes and should not be forwarded.


Dr. Brian Berry of the United States has found new cancer in human beings, caused by Silver Nitro Oxide. Whenever you buy recharge cards, don’t scratch with your nails, as it contains Silver Nitro Oxide coating and can cause skin cancer. Share this message with your loved ones.

Important Health Tips:
1. Answer phone calls with the left ear.
2. Don't take your medicine with cold water.
3. Don't eat heavy meals after 5pm.
4. Drink more water in the morning, less at night.
5. Best sleeping time is from 10pm to 4 am.
6. Don’t lie down immediately after taking medicine or after meals.
7. When phone's battery is low to last bar, don't answer the phone, bcos the radiation is 1000 times stronger.

Can you Share this to people you care about?
I just did,
Kindness costs nothing
But Knowledge is power

ATTENTION. .Medical research Authority of the US have found that new cancer in human beings caused by 'Silver Nitro oxide'. Whenever u buy recharge cards or calling cards don't scratch them with ur nail as it contain 'silver nitro oxide' coating and can cause skin cancer. Copy and paste this status and spread awareness please

Detailed Analysis

According to this health alert, which is circulating vigorously via social media and email, an organization identified as the Medical Research Authority of the US ( or a "Dr Brian Berry" in a later variant) has discovered that the removable coating on scratch tickets can cause skin cancer. The message claims that a substance contained in the coating called 'silver nitro oxide' is the cancer causing agent. The warning advises people against using their fingernails to remove scratch ticket coating because of this supposed cancer risk.

However, there is no credible support whatsoever for the claims made in this supposed health alert.

The coating on scratch tickets is not made from a substance called 'silver nitro oxide'. In fact, I could not find any evidence that such a compound even exists. There are two chemical compounds with similar names. One is Nitrous oxide, more commonly known as laughing gas, which has been used as an anesthetic in medical procedures since the 1840's and is also used in rocketry and to enhance engine power in motor racing. The other is Nitric oxide, a diatomic gas that plays a role as a cell signaling molecule in mammals and is also used as an intermediate in the chemical industry. Neither of these compounds is used to create the coating on scratch tickets. In fact, the coating is created from specialized latex or UV inks. A technical article about the material used in such coating published on Quora notes:

The material is known as a UV ink. Not the ink that becomes visible under UV light as is referred to on Wikipedia, but an ink that 'dries' under UV radiation.

UV inks are essentially a mixture of colored monomers and oligomers (the individual chemical units that eventually form 'polymers' ) and reaction 'photo-initiators' that become active when exposed to UV radiation. The monomers and oligomers form a viscous liquid, thus serving simultaneously as the 'pigment' and 'solvent' of a conventional ink; they do not need an organic solvent as a fluid base, and do not 'dry' in air like typical solvent-based inks. On exposure to UV light, the initiators set off the polymerization reaction, rapidly cross-linking the monomers and oligomers into a solid 'plastic' polymer, in a process known as 'curing'. This polymerization process also inspired the alternative naming of UV inks as 'latex inks'.

Read electro-mechanical engineering blog
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