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Jessie J has revealed that she had a stroke when she was 18.
The singer told Now: 'At 11 I was diagnosed with an irregular heartbeat. I had wired put in my shoulder, groin and heart to try and zap it into 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.'
She added: 'I'm a clean-living girl. I don't drink or smoke and would never do drugs.'