Assistant Professor Lotti Tajouri from Bond University in Australia revealed that the habit of using smartphones in the toilet, kitchen, and while eating creates ideal conditions for contamination with microorganisms.
This came in a press statement he gave to the Russian news agency "Novosti".
The scientist said, "One of the most common habits is using mobile phones in the restroom." He noted that a study conducted among regular users showed that approximately 80% of people take their phones with them to the toilet.
Tajouri added: “When you enter, for example, a public toilet, your fingers touch various surfaces, and then you touch your mobile phone. Consequently, everything you touched there eventually transfers to your phone. Moreover, the process of flushing the toilet generates what is known as the ‘cloud effect,’ where very fine droplets can spread through the air and reach the phone placed next to you.”
The expert pointed to another problematic habit, which is using a smartphone while cooking and while sitting at the dining table.
He said: “When you eat and use your mobile phone at the same time, you are providing nutrients to the microorganisms on its surface. If, for example, a crumb of bread falls on the phone, you are feeding these microorganisms. In addition, there is humidity and heat; during a call, small droplets of saliva transfer to the smartphone, and it also heats up during use or while it is in your pocket.”
Tajouri explained that "these three factors work together. That's why we say that mobile phones are five-star hotels for microorganisms."
The scientist paid particular attention to food handlers who prepare or serve food while using their smartphones. He pointed out that in such cases, even gloves do not prevent cross-contamination if a person touches their phone while wearing them and then returns to handling food.
Tajouri concluded, "We are surrounded by microorganisms, and that is normal. But if your mobile phone is capable of harboring large numbers of living microorganisms, and you never clean it, then you are ultimately creating the problem yourself."
The Australian scientist is a member of the Dubai Police Scientists Council, an advisory body that provides scientific advice and develops solutions in the field of security. He received particular acclaim for his lecture at the renowned TEDx conference.
In his latest research, he and his colleagues analyzed samples taken from the surfaces of 95 mobile phones belonging to healthcare workers in Australia and the United Arab Emirates. According to him, the researchers discovered more than 17,000 microorganisms on these devices. They also found that three out of four phones contained several types of bacteria that are among the most common causes of deadly infections.
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