Dr Myhill qualified from the Middlesex Hospital Medical School, London, Honours viva, 1981. She worked for 20 years as an NHS GP before moving to Independent Medical Practice with a special interest in CFS/ME. She practices Ecological Medicine – diagnosing mechanisms if disease which have obvious implications for management.

She has been an active member of the BSEM since 1986 Hon Meetings Secretary (1993–1998) including 5 day International Conference “Sustainable Medicine” at Christ Church College Oxford, Hon Secretary 1999 -2007. Lectures regularly to doctors and health professionals who are interested in Ecological Medicine.