Tomas Hökfelt (born 29 June 1940) is a Swedish physician and former professor in histology at the Karolinska Institutet from 1979 until 2006, when he got his emeritate.
He was also a faculty member of the Department of Biotechnology at the Royal Institute of Technology in Stockholm.
[3] Tomas Hökfelt's early research was on neurotransmitters and neuropeptides in the brain.
[4] In 1977 he discovered that non-neurotransmitter peptide molecules like somatostatin, can exist with neurotransmitters in same peripheral and central neurons.
[5] Hökfelt together with Serguei Fetissov has also conducted research into anorexia nervosa, indicating that it may be a disease, caused by a particular group of antibodies.