Boflo
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- Jan 20, 2010
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Wadada acheni kulia..
Wadada acheni kulia..
- Thread starter Boflo
- Start date
Tripo9
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- Sep 9, 2009
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We cry when we are sad. Sometimes "getting it all out" even makes us feel better. Tears also serve as an emotional cue to those around us that perhaps we could use a hug or some cheering up. As therapeutic as crying may be, however, apparently tears don't just serve as an expression of our sadness. According to new research, tears may also impact our biological responses. Published this week in Science, a study by Israeli scientists claims that a woman's tears are capable of dampening a man's sexual desire.
Researchers have long studied the biology, chemistry and psychology of tears to understand whether human crying is merely an emotional expression or whether tears have a more basic biological role. In mice for instance, tears carry chemicals called pheromones, which when inhaled by other mice can induce chemical responses in them, in turn affecting behaviours such as aggression or sexual attraction. Thus, mouse tears act as a biological cue capable of affecting social interactions in mice. It has been unclear whether human tears also contain chemical signals, which serve a similar role in social interactions. Therefore, the new study has created quite a buzz in the scientific community because it is the first to demonstrate that human tears can affect biological responses. The authors chose to study whether a woman's tears, cried in sadness, would induce sadness in men when sniffed, or whether they would affect a more basic response- sexual desire. So the scientists collected tears from women who volunteered to watch sad movies. They then asked a group of 50 men to smell these tears and then rate their mood and their level of sexual arousal. To be certain of any biological response to the tears, the scientists also tested things like heart and breathing rate, skin temperature and testosterone levels in the men before and after sniffing the tears. Also, to create an environment for sadness, the researchers had the men watch a sad movie after sniffing the tears. In spite of the sad movie, the men reported that their mood was not much different before and after smelling the tears, except that perhaps they felt a little less sexually aroused after. Although the men only perceived a modest decrease in their arousal, their measured biological responses told another story. Their heart rate, breathing rate and skin temperature were all significantly lower after smelling the tears than before. Their testosterone levels were also much lower after than before. The same men were also asked to repeat this experiment with saline instead of tears (the men were not informed whether they were smelling tears or saline) to make sure that their reduced sexual desire was caused due to something found in the tears. The saline did not incite the same response as the tears, with the men's mood and sexual desire being the same before and after smelling the saline.
Since one could argue that the "mood" wasn't right for the men to be sexually aroused, the researchers repeated the experiment "in the right context". They gave the men some "dirty" magazines and movies to get them into the mood before sniffing the tears. This time, the researchers measured their arousal using brain scanning. The results were the same as before. Before sniffing the tears (but after exposure to "mood elements") the men showed high activity in regions of the brain associated with sexual desire. But after sniffing the tears, the activity was much reduced.
Based on these experiments, the researchers concluded that tears do in fact have a biological function similar to tears in mice. But whether these effects are limited to sexual function or whether they have other effects is yet to be discovered. For instance, what sorts of responses do the tears of men create in women and that of children create in adults? And what is the chemical in tears that causes these responses? Whatever the answers to these questions may be, just a word of advice to the ladies- the next time you happen to be watching a sad movie with an attractive man by your side, hold back the waterworks!
Researchers have long studied the biology, chemistry and psychology of tears to understand whether human crying is merely an emotional expression or whether tears have a more basic biological role. In mice for instance, tears carry chemicals called pheromones, which when inhaled by other mice can induce chemical responses in them, in turn affecting behaviours such as aggression or sexual attraction. Thus, mouse tears act as a biological cue capable of affecting social interactions in mice. It has been unclear whether human tears also contain chemical signals, which serve a similar role in social interactions. Therefore, the new study has created quite a buzz in the scientific community because it is the first to demonstrate that human tears can affect biological responses. The authors chose to study whether a woman's tears, cried in sadness, would induce sadness in men when sniffed, or whether they would affect a more basic response- sexual desire. So the scientists collected tears from women who volunteered to watch sad movies. They then asked a group of 50 men to smell these tears and then rate their mood and their level of sexual arousal. To be certain of any biological response to the tears, the scientists also tested things like heart and breathing rate, skin temperature and testosterone levels in the men before and after sniffing the tears. Also, to create an environment for sadness, the researchers had the men watch a sad movie after sniffing the tears. In spite of the sad movie, the men reported that their mood was not much different before and after smelling the tears, except that perhaps they felt a little less sexually aroused after. Although the men only perceived a modest decrease in their arousal, their measured biological responses told another story. Their heart rate, breathing rate and skin temperature were all significantly lower after smelling the tears than before. Their testosterone levels were also much lower after than before. The same men were also asked to repeat this experiment with saline instead of tears (the men were not informed whether they were smelling tears or saline) to make sure that their reduced sexual desire was caused due to something found in the tears. The saline did not incite the same response as the tears, with the men's mood and sexual desire being the same before and after smelling the saline.
Since one could argue that the "mood" wasn't right for the men to be sexually aroused, the researchers repeated the experiment "in the right context". They gave the men some "dirty" magazines and movies to get them into the mood before sniffing the tears. This time, the researchers measured their arousal using brain scanning. The results were the same as before. Before sniffing the tears (but after exposure to "mood elements") the men showed high activity in regions of the brain associated with sexual desire. But after sniffing the tears, the activity was much reduced.
Based on these experiments, the researchers concluded that tears do in fact have a biological function similar to tears in mice. But whether these effects are limited to sexual function or whether they have other effects is yet to be discovered. For instance, what sorts of responses do the tears of men create in women and that of children create in adults? And what is the chemical in tears that causes these responses? Whatever the answers to these questions may be, just a word of advice to the ladies- the next time you happen to be watching a sad movie with an attractive man by your side, hold back the waterworks!
Preta
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- Nov 28, 2009
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Paloma
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- Jan 22, 2008
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okay! tukicheka mtafurahi au ndo mwanzo wa kutuita malaya, tunajirahisi, tunajiuza, etc?!?!?!?!
cc Nicas Mtei
cc Nicas Mtei
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Zero One Two
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- Sep 16, 2007
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ummu kulthum
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- Feb 6, 2012
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napenda kulia ili nibembelezwe yaaan naweza hata jiliza bila sababu,lakin nyoka na sumu yake iko palepale machozi hayaathiri chochote zaidi ya ...............
saudari
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- Dec 26, 2012
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Avatar yako inapenda kukenua kila mara.
Baelezee.....mana cwaelewi!
Paloma
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- Jan 22, 2008
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kw ahiyo unataka kusemaje hapo............ngoja niwawekee nyingine sasa!!!
stay tuned!
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