Doctors say many 'ordinary' people turn up at hospital not even realising they have badly damaged their liver because there are no obvious outward symptoms.

He may have been churning inside as he stepped onto the first tee yesterday, but showed few outward symptoms.

Popular in the early 20th century, preventoria were designed to isolate these patients from uninfected individuals as well as patients who showed outward symptoms.

Importantly, plants used for cuttings carrying no outward symptoms of infection may still transmit the pathogen.

But she grew frustrated with it, and some years later put herself through intense speech therapy and was largely successful in masking the outward symptoms of stuttering.