'I had no idea I had a heart condition until I used this simple iPhone hack'

'I had no idea I had a heart condition until I used this simple iPhone hack'Caite Smith, from Merseyside, brushed off her initial symptoms of Graves' disease, including her dizziness and fast-beating heart, but an app on her iPhone proved vitalNewsBradley Jolly Overnight News Editor04:35, 07 Apr 2026View 4 ImagesCaite Smith was diagnosed with a heart condition at just 21(Image: Jam Press/@caiteolivia)A young woman who dismissed her symptoms of a heart condition was finally diagnosed after using an app on her iPhone.‌Caite Smith stumbled upon a video on social media urging people to record their heartbeat using the iPhone's microphone and upload the beats per minute into the Health app. The 21-year-old woman was able to recognise her heart was beating too quickly and she was able to seek medical advice.‌Caite, from Merseyside, says the hack saved her life because she was soon diagnosed with Graves' disease, an autoimmune condition. She had initially put her symptoms, such as the fast-beating heart, down to anxiety.‌Speaking today, the bartender said: "When I first heard how fast my heart was beating, I was shocked and immediately felt that it wasn't normal. After doing it a few more times, it confirmed to me that my heart was beating consistently fast. But being only young, I wasn't sure what it could be — or how serious it was."READ MORE: Man's life 'ruined' after single punch leaves him unable to walk or eatREAD MORE: Doctor warns that one type of food is 'worse than smoking' for early deathView 4 ImagesCaite used an iPhone hack to help reach her diagnosis(Image: Jam Press/@caiteolivia)Caite decided to upload a video of her heartbeats to TikTok, where she racked up 15.4 million views and more than 2.2 million likes. She explained on the social media app that her shirt would often move due to how fast her heart was beating, but she had experienced anxiety at the time.‌The bartender recognised her...