Wrist-worn trackers can detect Covid before symptoms, study finds

Sensor tech can alert wearer to Covid early, helping to prevent onward transmission

Health trackers worn on the wrist could be used to spot Covid-19 days before any symptoms appear, according to researchers.

Growing numbers of people worldwide use the devices to monitor changes in skin temperature, heart and breathing rates. Now a new study shows that this data could be combined with artificial intelligence (AI) to diagnose Covid-19 even before the first tell-tale signs of the disease appear.

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People with type 1 diabetes in England to be given skin sensor to monitor blood sugar

Nice says wearable tech reduces need for finger-prick testing by up to 50%

Hundreds of thousands of people with type 1 diabetes in England are to be offered a hi-tech skin sensor to monitor their blood sugar levels in seconds.

The device, the size of a £2 coin, sits on a patient’s arm and constantly checks their glucose levels. It comes with an app that tells them whethertheir blood sugar levels are at an appropriate level.

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Garmin Fenix 7 review: next-gen boss of adventure smartwatches

Top-of-the-line sports watch goes anywhere and tracks anything, with longer battery life, better GPS, stamina and a touchscreen

Garmin’s latest top-of-the-line Fenix 7 track-it-all adventure smartwatch introduces a number of new features, better GPS, longer battery life and improved tech – as well as a touchscreen to go with its buttons.

Starting at £599 ($699.99/A$1,049), it can hit £1,000 or more if you pick the largest, most fancy version. But the new luxury device does give us a preview on what the firm’s cheaper sports watches may feature later in the year.

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Apple Watch Series 7 review: bigger screen, faster charging, still the best

Small updates keep Apple at top of smartwatch market, even if it’s not worth upgrading from recent models

The Apple Watch gets a bigger, better screen, faster charging and a small price cut for 2021, which is enough to keep it at the top of the smartwatch market.

The Series 7 version costs from £369 ($399/A$599) and, despite being £10 cheaper than last year’s Series 6, is Apple’s most expensive smartwatch, above the Watch SE costing from £249 ($279/A$429). It requires an iPhone 6S or newer and does not work with Android.

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Samsung Galaxy Watch 4 review: the new Google smartwatch

Wear OS 3 watch ups ante for Android wearables, now faster and feature-packed with body-fat scanner

The Galaxy Watch 4 is Samsung and Google’s attempt to combine efforts and compete with Apple’s smartwatch – and it gets about 80% of the way there.

The Android smartwatch comes in two designs and four sizes, starting at £249 ($250) for the Watch 4 and £349 ($350) – as tested – for the Watch 4 Classic. They succeed the £269 Watch Active 2 and £399 Watch 3 respectively.

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Ransomware attack on Garmin thought to be the work of ‘Evil Corp’

Russian cybercrime gang is believed to be responsible for taking Garmin services offline

A ransomware attack that took the GPS and smartwatch business Garmin entirely offline for more than three days is believed to have been carried out by a Russian cybercriminal gang which calls itself “Evil Corp”.

Garmin began to restore services to customers on Monday morning, after being held hostage for a reported ransom of $10m, although some services were still operating with limited functionality.

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Amazon launches Alexa smart ring, smart glasses and earbuds

Echo Frames, Loop and Buds launched along with series of updates to previous products

Amazon wants its Alexa voice assistant to leave the home and be with you everywhere you go, and is turning to wearable technology to achieve this.

Unveiled at an event in Seattle on Wednesday, Amazon’s new Echo Frames smart glasses, Echo Loop ring and Echo Buds aim to put Alexa on your face, your hand or in your ears.

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