Saturday 3 November 2007

Orange and green monkeys jumping around the room

The Lancet
Volume 370, Issue 9598, Page 1588
3 November 2007
doi:10.1016/S0140-6736(07)61663-8

Dr Sunku Hemanth Guptha MRCP, Tha Han MB, Qais Arafat FRCR, Okubadejo Deyo FRCP

Department of Medicine for Older People, Edith Cavell Hospital, Peterborough, UK

In July, 2006, a 62-year-old solicitor, with a 14-year history of Parkinson's disease, began to have worse tremor, stiffness, and fatigue, and reduced motor control. His illness had previously been well controlled by co-careldopa and selegiline. Ropirinole was introduced, and his symptoms decreased as the dose was increased. However, after 2 months, when the dose was 12 mg daily, he started to experience visual hallucinations of orange and green monkeys jumping around his room, and men in green ...

http://www.thelancet.com/journals/lancet/article/PIIS0140-6736%2807%2961663-8/fulltext

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Thursday 1 November 2007

Ovulatory cycle effects on tip earnings by lap dancers: economic evidence for human estrus?

Evolution and Human Behavior
Volume 28, Issue 6, November 2007, Pages 375–381

Geoffrey Miller, Joshua M. Tybur, Brent D. Jordan

Department of Psychology, University of New Mexico, Albuquerque, NM 87131, USA

Abstract

To see whether estrus was really “lost” during human evolution (as researchers often claim), we examined ovulatory cycle effects on tip earnings by professional lap dancers working in gentlemen's clubs. Eighteen dancers recorded their menstrual periods, work shifts, and tip earnings for 60 days on a study web site. A mixed-model analysis of 296 work shifts (representing about 5300 lap dances) showed an interaction between cycle phase and hormonal contraception use. Normally cycling participants earned about US$335 per 5-h shift during estrus, US$260 per shift during the luteal phase, and US$185 per shift during menstruation. By contrast, participants using contraceptive pills showed no estrous earnings peak. These results constitute the first direct economic evidence for the existence and importance of estrus in contemporary human females, in a real-world work setting. These results have clear implications for human evolution, sexuality, and economics.

Keywords

Estrus; Female sexuality; Behavioral economics; Sexual service industries; Hormonal contraception

http://www.sciencedirect.com/science/article/pii/S1090513807000694

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