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Two devices that badyze people's respiratory gases promise to show how they can improve their diet.
Lumen and FoodMarble, which function as "breathalyzers," are handheld devices presented at the CES Technology Show in Las Vegas, USA.
They pair with smartphone apps that tell their users how they digest food or burn calories.
But, according to experts, this technology has not yet been validated by scientists.
Lumen reported nearly $ 2 million (about 7.4 million RS) on the Indiegogo crowdfunding site. The company has designed a product in the form of an inhaler to measure the levels of carbon dioxide in the breath.
According to the company, this provides a way to monitor a person's metabolism – the set of chemical processes that, among other things: converts food into energy. "
" You do not need to guess the amount of sugar that contains this Kung Pao chicken nor the number of calories you have burned during this period, "explained the founder, Dror Cedar [19659008] <img src = "https://media.metrolatam.com/2019/01/12/105110362fox02477-0a8296388ac9f190b1424ac313d3f809-1200×0.jpg" alt = "explains to the BBC, the application says if the user burns carbohydrates or fat. He then suggests recipes that help burn fat and, over time, Lumen learns, according to the manufacturer, which diet is best for each individual.
Scientific Validation
The device has been tested by hundreds of users in the United States, according to Cedar
. However, studies measuring the efficacy of the product have not yet been reviewed by field researchers.
The lumens will go on sale for 299 USD (R $ 1,104) in the coming months. The application may charge a subscription fee in the future, but will be free for the first year.
FoodMarble measures the levels of hydrogen to try to infer the digestive health of those who use it. Founder Lisa Ruttledge told the BBC that hydrogen levels in the breath could indicate that someone else is struggling to digest a recent meal.
"This is because there is a fermentation in the intestine and that part of the hydrogen created during this process is expired," he said. -he declares.
The idea is to help people with swelling, abdominal pain and other gastrointestinal symptoms to improve their nutrition. By showing foods that produce hydrogen, FoodMarble could help its users create healthier diets.
However, although these tests are sometimes used by doctors and nutritionists, some doubt their accuracy.
"There is little scientific research showing that these tests, performed in a hospital setting, can determine which foods you are sensitive to," said Kevin Whelan, professor of dietetics at King's College of Medicine. London. Several factors can affect breathing, including the time needed to digest a meal, which is not always the same.
Lisa Ruttledge said that one of her company's goals is to make FoodMarble the first device of its kind. to evaluate in a scientific study.
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