Jesy Nelson feeling 'proud' after 'major milestone' announced amid her SMA campaigning Former Little Mix singer Jesy Nelson is feeling "proud" after the NHS announced it will start testing newborns in England for spinal muscular atrophy (SMA), amid Jesy's campaigning for testing at birt 2 April 2026 Jesy Nelson is feeling "proud" after a "major milestone" in her spinal muscular atrophy (SMA) campaigning was announced.