People with type 2 diabetes can go undiagnosed for more than five years, study finds The researchers suggested that some of those with type 2 may not be experiencing common diabetes symptoms that can take a long time to develop The video will auto-play soon8Cancel Play now There are always big stories on WalesOnline - don't miss any with our daily emailInvalid EmailSomething went wrong, please try again later. Sign me up now When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice