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No wonder women require foreplay. >From: "M.Schild" <[log in to unmask]> >Reply-To: Parkinson's Information Exchange Network ><[log in to unmask]> >To: [log in to unmask] >Subject: of mice ........ >Date: Mon, 10 Apr 2006 08:23:37 +0200 > >Stimulant drug affects men more than women > > >By Jane Kirby > 08 April 2006 >Amphetamines can have up to three times the effect on men as women, >according >to research out today. >A US study found that men's brains showed far more dopamine than women's >when >they took the drug. >Dopamine is a chemical in the central nervous system which is crucial for >movement and also creates feelings of enjoyment. >Users say it makes them feel more confident, have more energy and feel more >sociable. >Shortages of it are linked to Parkinson's disease, memory loss, depression >and >other mental illnesses. >The scientists behind the study hope their findings will lead to more >effective treatments for amphetamine abuse and neurological diseases. >Gary Wand, a professor of endocrinology at the Johns Hopkins School of >Medicine in Maryland, led the study. >He said: "These appear to be the first clinical studies whose results may >help >explain why we see a greater number of men abusing amphetamines than >women." >Mice have been tested before for the effects of amphetamines, but Prof Wand >said this was the first human test of such gender differences. >A total of 43 people - 28 men and 15 women aged 18 to 29 - were examined >for >the study. >As well as measuring dopamine levels in the brain, the participants were >asked >to verbally rate their experiences. >They rated positive effects like a high rush and liking for the drug as >well >as negative ones such as anxiety, dizziness, dry mouth and distrust of >others. >The responses from men were "significantly higher" for all categories >except >dizziness, where women rated higher. >"The fact that the subjective tests supported the biological ones further >supports the hypothesis that men exhibit a higher response to amphetamines >than women," Prof Wand said. >He added that he hopes the findings will help researchers learn more about >the >sexual differences relating to other diseases such as Parkinson's, >schizophrenia, obsessive compulsive disorder and Tourette Syndrome. > >---------------------------------------------------------------------- >To sign-off Parkinsn send a message to: >mailto:[log in to unmask] >In the body of the message put: signoff parkinsn ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn