I thought my trouble sleeping, racing heart and constant sweating were all signs of my anxious personality. In fact, they were symptoms of a serious disease that's overlooked. These are the tests you MUST ask your doctor for if you're suffering like me

'I would lie awake for hours with my heart thumping in my chest, struggling to get to sleep,' says Harry. 'I also always felt on edge, but decided that was just my personality.' 'I would lie awake for hours with my heart thumping in my chest, struggling to get to sleep,' says Harry. 'I also always felt on edge, but decided that was just my personality.'