News and reviews

NEWS AND REVIEWS Orexins and appetite regulation

Initial research on the functional significance of two novel hypothalamic neuropeptides, orexin-A and orexin-B, suggested an important role in appetite regulation. Since then, however, these peptides have also been shown to influence a wide range of other physiological and behavioural processes. In this paper, we review the now quite extensive literature on orexins and appetite control, and con...

MEDICAL NEWS and VIEWS

MEDICAL NEWS AND VIEWS

Rare conjoined twins / twin research reviews / twins in the news.

490 Segal, N. L. (2011). News, views, and comments. Twin Research and Human Genetics, 14, 490–493. DOI 10.1375/twin.14.5.490 The May 29, 2011 issue of the New York Times Magazine published a fascinating article concerning 4-year-old conjoined twins, Krista and Tatiana Simms. These craniopagus twins (joined at the cranium vault, but otherwise separate) were born to Felicia Simms, a 20year-old mo...

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