New AI tool counters health insurance denials decided by automated algorithms

Class-action lawsuits allege algorithms turn down claims in seconds and critics say reform is needed for lasting change

Would you let AI choose your outfits?

Chloë Hamilton explores the possibilities, with surprising results…

The best treadmills for your home: up your indoor miles with our runner-approved picks

Whether you’re chasing folding treadmills or gym quality on a budget, our top-rated running machines will accelerate your training

Winter running gear: our top training essentials to help you conquer the cold

Bundle up and break a sweat with these winter running accessories, from base layers and gloves to waterproof jackets

From oatzempic to mouth taping: does science back up TikTok health tips?

Here are some of the more curious health hacks circulating on the social media platform – and what the evidence says

Quitting smoking may be easier with a smartwatch app, researchers say

Motion-sensor software sent alerts to prevent lighting up at most vulnerable moments for those trying to quit

My phone was taken by the sea. I’d love to throw its replacement in there too

As I compulsively check my new device, ping-ponging between real and virtual spaces, I can feel my adolescent self eye-rolling at me across the decades

The ChatGPT secret: is that text message from your friend, your lover – or a robot?

People are turning to chatbots to solve all their life problems, and they like its answers. But are they on a very slippery slope?

Lost your sense of direction? Turn off your phone and you’ll soon reconnect

Tech giants said today’s digital native kids would be the first generation who would not know what it meant to get lost. But is that a good thing?

Sleep perfectionists: the exhausting rise of orthosomnia

The UK sleep-tracker industry is estimated to be worth £270m a year – and forecast to double by 2030. Could all this data be making our insomnia worse?