The `Do It Like a Dude` hitmaker always puts her health first since suffering a minor stroke when she was just 18, and says her previous medical problems make her determined to live a good lifestyle. She said: "At 11 I was diagnosed with an irregular heartbeat. I had wires put in my shoulder, groin and heart to try and zap it to a normal rhythm but it didn`t really work. "Then at 18 I suffered a minor stroke. It was scary but I`m fine now. Having bad health has made me realise I can`t take anything for granted and I must look after my body. "I`m a clean-living girl, I don`t drink or smoke and would never do drugs." The 22-year-old singer also admitted she used to suffer from panic attacks and was even stricken by one on stage recently. She told Now magazine: "I used to get panic attacks really badly when I was younger. I don`t like not being in control. I`m getting better though. "But I did a gig recently and had a panic attack on stage. The night was called Black Out and I had to perform in the dark. I asked them to turn on the lights and they didn`t. "I was on stage in pitch black and because I couldn`t see anything I started to panic. It was awful."