Scientists have developed a necklace dubbed the ‘ diet choker ’ that monitors everything that goes down your throat - and sends you an alert if you overeat . WearSens is a metal ring that goes around your neck and has a sensor which uses the vibrations in your throat to tell when you are eating and drinking . The researchers behind the device have linked it up to a smartphone app which buzzes if you go over your daily calorie limit . Scientists have combined WearSens , a metal ring that goes around the neck ( above ) to monitor eating , with a smartphone app which counts calories . It also lets you know if you eat too much of the wrong kind of food . The device was developed by engineers at the University of California , Los Angeles and so far the tests on 30 people show that the it does work . But the reaction elsewhere has been mixed reaction and some tech websites likened it to a choke collar , though it does not contract if you eat too much . Another website , Bustle.com , dubbed it the ‘ weirdest ( tech ) wearable we have seen to date ’ . The UCLA team said the WearSens works because each food makes a distinctive pattern of vibrations in the neck so the device is able to work out what it is you are consuming using a piezoelectric sensor , which measures changes in pressure or force . In tests with a limited menu it has guessed with 90 per cent accuracy the difference between solid and liquid foods - and even the difference between hot or cold drinks . It could also distinguish between hard and soft foods about 75 per cent of the time , the findings in the journal IEEE Sensors said . WearSens co-founder Majid Sarrafzadeh said : ‘ Many nutrition methods are based on writing down what you eat . ‘ But this method has low compliance so we wanted to overcome these issues and wanted to do something that a pedometer does for activity ’ . Scientists are hopeful the technology will also tell users when they are eating the wrong types of food ( file image ) In a demonstration posted on YouTube , the device asks for the user ’ s age , height , weight and their goal such as to lose weight or stay the same . It will then tell them what they have eaten , how fast they eat their food and gives them advice such as if you miss a meal it mentions how it could leave you fatigued . The UCLA researchers said that other applications they could see for the device included tracking when somebody takes a pill to ensure they take their daily medicine . It could also remotely monitor breathing patterns of transplant patients as abnormal breathing may be an early indicator that the organ is being rejected . Even smokers who are trying to quit could benefit from the device as it could potentially tell when they are puffing away from the movement in their neck . The WearSens is the latest example of the growing industry of wearable tech and comes on the day that Apple is due to release details of its long-awaited smart watch . Major tech companies are banking on consumers taking to the wave of wristbands , watches and eyewear that augments the functions of their smartphone . Last year Google launched its range of Android Wear which includes a watch which allows you to check your email or send a text , meaning you don ’ t have to reach into your pocket for your phone . The latest update to Apple ’ s operating system for its iPhone includes a ‘ Health ’ app which monitors how many steps a person takes each day like a pedometer . Not all wearable tech has been a success however and Google ’ s controversial eyewear , Google Glass , was axed in the UK after less than a year of limited release . Google closed it Explorer programme , which gave select people the chance to buy Glass for £990 , after a privacy backlash and because consumers did not take to the futuristic design . Google Glass , which Apple priced at £990 , was axed in the UK after less than a year of limited release .
Scientists developed necklace called 'the diet choker ' to help lose weight . Comment: The cutting edge technology sends users an alert if they begin to overeat .