my 2 boys age 11 and 6 recently diagnosed with MBL , levels of 48 and 60 both underlying health issues , eldest is a tof and ent problems with youngest . I know nothing of MBL , and the doctors are not at all helpful , we we,re attending Newcastle , but are now unfortunatly being locally lead for care (i,m fighting that ) . any clues as what to do next are greatfully received , we have only had 1 blood test . thanks .