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Testosterone — new discoveries about the male hormone | DW Documentary

May 31, 2021
Testosterone is the most important

male

sex

hormone

Men who are strongly influenced by

testosterone

are said to be selfish and enjoy taking risks, but several European scientists have been trying to find out if

testosterone

is really as bad as its reputation. to munster university hospital to speak with doctor michels is a german man specialist in the treatment of diseases that affect men he is also an expert in

hormone

s stolen tesla is swoosh tanisha feeder dinging testosterone is responsible for the development of a number of physical characteristics

male

factors including hair patterns on the head also determines beard growth affects muscles and a man's overall personality is a much more complex hormone than some people might all too often think is accused of love most testosterone it is produced in the testicles, but a small amount comes from the adrenal cortex.
testosterone new discoveries about the male hormone dw documentary
The specific sources of testosterone are the lipid cells, the hormones responsible for development. The male characteristics in the body are called androgens, the most important androgen is testosterone, testosterone levels rise dramatically during puberty and then remain at a high level, but researchers have also found significant short-term increases in this hormone immediately after birth. Perseid as shrine ABBA it's hard to say why that happens but it seems to be part of the maturation process in the brain and male reproductive system the spirit of a monastic were hopes of mukesh the young christian wolff lives in heilbronn at the age of 20 discovered that he had too little testosterone in his body, doctors later determined that his brain cells were not sending the proper production signals.
testosterone new discoveries about the male hormone dw documentary

More Interesting Facts About,

testosterone new discoveries about the male hormone dw documentary...

The cause of the problem was not clear at first. Lobo had a hard time even describing the symptoms. It took a long time for doctors to come up with a proper diagnosis, as Vondopoulos Concerts Man's realization that something was wrong was a gradual process. it didn't happen overnight feeling worse and worse I had no energy at all and no sex drive either but I could feel something was not right then I was diagnosed with depression and realized something was seriously wrong with me. The wolf was a medical problem. A student at the time and a bodybuilder, I kept a close eye on his metabolism and testosterone levels, but they couldn't figure out what was going on.
testosterone new discoveries about the male hormone dw documentary
I got along well with my family and had a girlfriend. I was doing well in school and then I realized. I realized this might have something to do with low testosterone so I had some tests done and the levels came out to be close to zero, that's a little low, not essential. at least eight to twelve nanomoles per liter of testosterone is anything less than a deficiency, but the amount also depends on genetics. I am a single machine. Finnegan, a tech woman's testosterone levels are much lower. Five to ten percent of men use testosterone to synthesize the estrogen system, the main female sex hormone through the fut is that the synthesis is carried out by an enzyme called aromatisse that can be found in the cells of various parts of the body including the brain adrenal glands ovaries and testicles faced with such testosterone levels Christian Wulff chose a potentially risky form of medical treatment we will sit well messiahfest He knew he needed hormone replacement therapy after other possible causes such as vitamin D were ruled out D or era zinc deficiency One of the side effects of hormone replacement therapy is that it suppresses sperm production, which can cause infertility.
testosterone new discoveries about the male hormone dw documentary
Testosterone and covered testosterone are naturally produced in the testicles, but the process begins in the brain specifically in the hypothalamus. connects the body's nervous system to the endocrine system through the perfuse-unrelated pituitary gland the pituitary gland is divided into two sections the anterior portion produces two key hormones LH and FSH LH is responsible for stimulating testosterone production in the testicles FSH contributes to sperm production these two hormones inform the brain if the body is producing enough testosterone and sperm, the brain adjusts the amounts of each as needed in the test system, even testosterone replacement therapy suppresses the hormones in the pituitary gland that are responsible for the production of sperm.
Budong doesn't look too feminine, but if a man is low in testosterone and wants to have children, we have to take a different approach. Low testosterone can have serious effects on the body, but too much of this hormone can make men overly aggressive. This is Leone's house. French Center for Cognitive Neurosciences Jean-Claude Rhea is Research Director here Draya has been studying the influence of testosterone on human behavior and has found little evidence that testosterone influences aggression in men; the effect that testosterone has on human behavior is not entirely clear, but there is some indirect evidence, for example, high levels of testosterone have been found in some inmates who have committed serious crimes, and we did a study that indicated that patients who given testosterone injections could become more aggressive.
It's only 50 million new conditions. Testosterone can also improve social behaviors. link between increased testosterone levels and aggressive behavior drea conducted an experiment to try to prove or disprove these claims her first task was to measure the testosterone levels in the blood of the participants testosterone is a fat soluble hormone so it can cross cell membranes bind to hormone receptors and then cause changes in the cell The structure of testosterone can be identified and measured in various body fluids, including saliva, urine, and blood. Before the experiment begins, a group of participants is injected with testosterone. The other group is given a placebo.
We tried to determine if the increase in testosterone levels would contribute to a change. in behavior, this graph shows that both groups started with approximately the same level of testosterone injections, then we gave testosterone injections to one group and recorded the increase in the level of this hormonal system, now the test subjects will participate in a game exercise called an ultimatum game is often used in behavioral research is designed to test whether a person is generous or selfish one player receives a sum of money and must share a portion with the other if the second player accepts the offer the deal goes ahead as planned, but if you decline it, no players are paid at this point, we don't see any difference.
Once between the player who had been given testosterone and the one who had up to systole and I said that now the rules of the game are going to change a bit the players will be able to use the money to reward fair behavior or punish unfair behavior and here it is where Draya and his colleagues observed a difference between the player who received an extra dose of testosterone and the one who did not receive an extra dose of testosterone. The silver bishop's team lost Cruz. It is a subtle difference and we confirmed it only in the second stage of the experiment.
The group given extra testosterone imposed a harsher punishment when they believed they had not been given enough money but at the same time also reacted more positively when they were given more money than expected we observed a big difference in the behavior of the two groups even loop-de-loop, so testosterone can also stimulate generosity in men. The researchers were surprised by the results, but the situation is more complex than that. Draya says there are subcons. conscious motivation at work here this phenomenon clearly shows that you can improve your social status if you cooperate with people or engage in other types of positive social behaviors utility so while testosterone can influence aggression it also plays a role in the ability to act generously so the noise state drea has been looking for more evidence to support his theory about the influence of testosterone, so he has been studying brain activity. 30 The system's testosterone-based behavior can enhance men's social status, and that process could be related to several mechanisms in the brain, particularly a group of neural structures known as the baltimore reward system. wellness as a reward which may explain the bragging trade commonly associated with excessive manly behavior to god there is always a motivation behind generosity if someone sees you being generous they are more likely to think well of you eg men probably they will be more generous if they know they are being watched by buckets of women this indicates another link between testosterone and generous behavior so testosterone may be responsible for positive and negative behavior in both cases this behavior appears to be aimed at preserving or even improve social status.
Psychologist Pranjal Mehta is Associate Professor at University College London His research focuses on how hormones, particularly testosterone, influence human behavior Evidence for the myth that testosterone is directly related to masculine traits such as aggression is not It's worn out in the data, so there are many results suggesting that testosterone is weekly or unrelated to aggressive behavior in humans, including human males, so the field is still trying to unpack these kinds of effects. to understand when testosterone might be related to other behaviors such as helping and prosocial behavior. an experiment involving the simi ultimatum game Compared to what we saw earlier, it's actually a way of looking at two types of behavior, one is trust to what extent the first player trusts and two to see the reciprocity of trust if someone is overconfident is the second move he's going to make. reciprocate that trust as in the experiment carried out by jean-claude rhea one player was given an extra dose of testosterone the other player was given a placebo the experiment will measure the level of trust between the two the player who was given testosterone you can use your money to make sure the other player benefits as well, but the second player will return some of your winnings as a token of gratitude or keep it all for himself we find two interesting effects first it is consistent with the stereotype testosterone reduction trust in first player so that's kind of consistent with the stereotype that testosterone is related to competitiveness and threatens the environment and maybe mobilizes more selfish social behaviors so i w To keep money next, the Players reverse their roles in both events.
The player with the extra testosterone shares his gains with the other. This is an example of prosocial behavior. We know that reciprocity in cooperative situations goes to the Gardner state and what we found is that testosterone drove reciprocity and we are arguing that in a cooperative setting it is again through prestige and prosocial behaviors that you gain status and even though in those situations , testosterone might actually drive prosocial behavior. Mehta is convinced that testosterone plays a much more complex role in human behavior than researchers previously thought—for example, it can promote socially positive behavior—but there's always a motivating factor behind that behavior that you can imagine when we think about it. in our leaders and people in positions of power who have experience, knowledge and experience that they are going to pass on to their subordinates that is part of being a good leader that is a It is also part of some definitions of power where you are helping others like a way to influence others in some way, so you might think it's prosocial, but in some definitions it's also an exercise in power, but concepts like masculinity status and power. are perceived differently in various cultures around the world, test results differ from country to country, so my labs in London someone else's lab is in Germany someone else's lab is in a rural part of the southern United States which I should see erratically results are expected to change but the effects of testosterone on the human body are the same regardless of culture and geography when Christian Wulff found out he was infertile he started looking for solutions my mother took me to see a urologist and she told me i will never have kids but i could have a superlative sex life my mom didn't think it was fun so i started reading about my powder conditioners my people lines are is there is a medical solution forinfertility caused by testosterone deficiency doctors are minh offers some hope when a man kena wound closed wound leave one of the things we can do for men who suffer from this problem is to give them hormone injections won tropen giggity happy mike his way of treatment has been used for years, even decades, and it appears that gonadotropins include LH, which is responsible for the production of testosterone in the testicles, and FSH, which contributes to sperm production, the treatment was successful for Christian Wulff, his body was able to produce testosterone and fertile sperm for a short period of time, he froze the sperm for later use, he starts freaking out and if he had listened to what the doctors told me at first, I would have ended there, but now I can have children all about Schulte's eyes is professor of psychology at the Friedrich Alexander University in Erlangen his research work focuses on how testosterone affects the body specific effective ally bone growth in testosterone testosterone and estradiol its counterpart in women contributes significantly to bone strength and density from prenatal development to maturity in this income and someone in which I am being asked, for example, during the first three months of pregnancy testosterone causes the ring fingers of the male fetus to grow longer than the index fingers short ice notes that in general the index fingers of women are longer than the ring fingers in men it is quite the opposite you can see that in this picture of a man's hand the index finger is clearly shorter than the ring finger testosterone clearly has an influence on bone growth even in early pregnancy it can also being responsible for the early development of the so-called power motive yes is not axis Liam Priscilla - Sean Service is that a hundred tific I'm interested in where that motive comes from I suspect its origins can be found in biology here salt ice is conducting an experiment in which participants write a fantasy narrative this may help you determine if they are motivated by power the motive of power it is a common human characteristic that involves a person's efforts to have an impact on the behavior of others this motivation does not necessarily manifest itself in c conscious attitudes or the beliefs we hold about ourselves our research indicates that the way we perceive ourselves Influence actually has little to do with what motivates us and influences our spontaneous behaviors.
This part of the experiment involves a series of 10 tests aimed at finding out how participants respond to victory or loss. The results of the test may manipulated a participant can win up to eight of the ten rounds the i Researchers want to find out if changes occur in test subjects' hormone levels we found that the power motive plays a role in their response to winning or losing those who won had higher testosterone levels than those who lost even Phyllida and if one of the participants are not motivated by power but win, it has no effect on the amount of testosterone in their system.
I cannot say that winning or losing is solely responsible for changes in testosterone levels. We have to take into account factors such as the individual. l's personality and motivation, but those factors are shaped by testosterone during fetal brain development. the testosterone levels found in men means that they are less motivated by power we are invited to the space colony and vibe there is evidence to indicate that there is a connection between the length of a woman's fingers and the power motive complex is a complex situation that will require much more research Scientists have learned more in recent years about female sex hormones, but the relationship between women and power has not been widely studied.
The field has focused on the male reproductive system and men for the last hundred years and has largely neglected observation. female sex hormones in the context of status and leadership and this is a huge gap in the literature e today we have come to cambridge university to talk to clinical psychologist simon baron-cohen part of his research focuses on how gender affects the human behavior in general and the brain in particular we have been looking at the sex differences in the mind between men and women on average and one of their tests that we use is where you have to find a shape that is hidden in a design as quickly as possible and we find out that on average men are quicker to find this hidden target in general design Baron Cohen and his colleagues conducted behavioral studies of children and adolescents.
They began by analyzing numerous samples of amniotic fluid, the fluid that helps protect a fetus in the womb, for hormone levels. We measure testosterone during pregnancy in the uterus in the amniotic fluid, so this is the baby in the uterus and some women during pregnancy have a clinical procedure called amniocentesis where a needle is inserted into that fluid to remove some of the fluid and we can m Measure testosterone in the fluid and babies vary in terms of the amount of hormone they are exposed to so boys show more testosterone than girls in the amniotic fluid in the early stages of fetal development, the genitalia show no signs of gender distinction, but after about the seventh week of gestation a gene on the Y chromosome can activate a process that results in the development of the testicles later testosterone plays a role in the development of male characteristics in various parts of the male fetus, including the brain. long term effects of hormones presumably mediated by changes in brain development, so we are measuring behavior, but hormones are assumed to have changed brain development in males and females because they are exposed to different amounts of the hormone after babies and were born the baron-cohen study measured and analyzed their reaction to a series of images what we found was that the higher the child's p Prenatal testosterone the less eye contact the child makes on their first birthday so this It came as a surprise to us because you would think that iContact is influenced by social factors, but in reality it seems to be influenced by prenatal testosterone as well.
Children were reassessed at age. of two, the results indicated that girls were more actively seeking eye contact than boys and had better verbal skills, spoke earlier, and developed language more quickly. What we didn't know is why girls have this advantage in language development, but now we can relate. Let's go back to prenatal testosterone because we found that boys who had higher prenatal testosterone had smaller vocabularies. Years later, Baron-Cohen conducted more tests on the children. They were shown pictures of various facial expressions and asked to describe the emotion the pictures represented and Again we found that the higher the child's prenatal testosterone, the more difficulty he has on this test of empathy. which is a surprise again to us because we're finding that even there, eight years after we measured testosterone, there's still an effect that we're looking at to sum up that girls did better on tests involving verbal and social skills, children fared better in developing analytical skills, the same hormone appears to be involved not only in social development, such as reading faces and language and eye contact, but also in non-social skills such as pattern recognition and disarming. things to see the parts inside the homes a bit like in the rubic. cube where you have to see the pattern very quickly evidence indicates that boys are better able to understand abstract concepts but have less empathy Baron Cohen has used the findings to support his theory of a possible link between testosterone and autism we look at the relationship between the typical sex differences in autism because what's wrong is more common in boys so we were trying to understand why being a boy leads you to a higher chance that you'll develop autism and the answer we're getting is that one factor may be prenatal testosterone.
Research on this topic is still in the early stages and experts are still trying to figure out what role prenatal testosterone plays differentiation in the brain asymmetry the McNish there is no evidence of predetermination in the brain we are pushed one way or another by hormonal effects in the early stages of fetal brain development, of course, but much of development occurs later after birth in infancy and beyond when hormones act in conjunction with a number of external factors in environments and, above all, in the social environments of a child and here Pranjal Mehta has been investigating the influence that hormones and the social environment have on behavioral development.
Researchers, including my lab, have looked at both. The effects addresses how hormones influence dominance and status-related behaviors and how one's social status and environment, in turn, can affect hormonal fluctuations in a feedback loop meter. He also studied how people perceive themselves and how that perception influences their behavior. Are people considered dominant or passive? And what role does testosterone play? So what we found was that testosterone did not. they have a direct effect and competitive decision making but it really depended on whether they filled out the questionnaire suggesting they were high or low mastery so some of our work suggests that hormones do impact behaviors like competitive behavior but interesting way and inconsistent with the kind of myth about the direct effects of testosterone depends on the personality of the people, so the way we see ourselves, so that testosterone influences our personality and in turn Once, our personality influences our testosterone level. such men with respect or contempt Testosterone also fuels competition among men It is perhaps no coincidence that this hormone was discovered during the late stages of the Industrial Revolution in the 1850s Sharla Edouard Braun circa was one of the first scientists to speculate about the existence of substances we now know as hormones which he also regularly injected himself with a fluid extracted from the testicles of animals and claimed that this process improved his sexual prowess and physical well-being.
Testosterone has long been associated with the strength and vitality of masculinity. Today testosterone replacement therapy has become popular among older men in some advertisements. It is touted as a miracle. cure as much as claimed by braun sekhar over a century ago pharmacies doctors and pharmaceutical companies make a lot of money selling testosterone preparations sales have increased dramatically since 2007 dr. Michelle its Minh is regularly consulted by older men suffering from symptoms of burnout. Many warriors. Testosterone deficiency may be the cause. Centurion zitz ​​Minh tests the patient's sperm count and bone density, among other procedures. In most cases, you can't attribute the symptoms to lower testosterone levels by using it wrong.
See this graph, it shows the testosterone levels of 10,000 men ranging in age from 4 to 90. Boys, of course, have very high levels. low signs of intimacy and need a good test just come here and improve it levels rise during puberty then we see high testosterone until old age if we rule out disease there are several reasons testosterone levels can drop other myosins it is fair to say that in the vast majority of cases these patients produce less testosterone simply because they are overweight Gupta obesity is a problem for many older men and also for younger men, overweight men generally have a lot of visceral fat and that f releases a number of harmful substances and can lead to insulin resistance, high blood pressure and s lower testosterone to be good one layer of body fat is found just under the skin a second layer of visceral fat is stored in the abdominal cavity near various vital organs excess visceral fat can reduce testosterone production, which which can promote the storage of even more fat in the abdominal cavity.
This causes the spare tire to be common among middle-aged men. Testosterone is often associated with doping scandals and competitive sports. is an expert in the use of performance-enhancing substances, including testosterone, testosterone plays a key role in regulating muscle mass and how the body responds to exercise during prolonged physical activity, muscles sufferminor traumas, so the body then begins to repair damaged muscle tissue and increases its strength and size until recently only professional athletes u Performance-enhancing drugs are now also taken by amateur athletes. The use of testosterone derivatives called anabolic steroids in commercial fitness studies is a big problem right now. more common among amateur athletes than among professionals.
Healthy men produce four to eight milligrams of testosterone every day, but for those trying to increase muscle mass and performance, that amount is far too little. Christian Wulff tried using testosterone supplements to counteract his hormone deficiency. skip Sophia endangered product supplement new darling now you can find testosterone boosters and capsules. It doesn't help Niska at all, but only synthetic anabolic steroid versions of testosterone can pr produce the kind of results athletes want using steroids to enhance moments is widespread among bodybuilders my unfortunate night Sabha and Habash no Complete in my own research I came across the case of a 17 year old young man who was using these substances that was terrifying, he was injecting over a thousand milligrams of testosterone derivatives a week, he was also taking Dianabol steroid tablets every day, so that in general, that's well over a thousand milligrams a week, that's a dangerous amount for a 17-year-old, that's a neon to run off of.
Anabolic steroid abuse can have a number of dangerous side effects, including high blood pressure. high blood pressure, strokes, heart attacks and liver damage. Excessive increases in testosterone can lead to reductions in sperm production because the brain determines that the body has enough testosterone and cuts off the supply. Pranjal Mehta has been studying whether substances other than testosterone can influence human behaviour, for example cortisol, a hormone that is released in response to stress and low blood sugar concentrations. There is some evidence that cortisol levels might affect the pathway between testosterone and behavioral outcomes. Specifically, hormones do not directly influence behavior, but there is a mechanism through which they occur. to a receptor for that specific hormone in the case of testosterone which would be the androgen receptor this binding process takes place throughout the body like a key that fits into a lock Mirta believes that in stressful situations, cortisol blocks testosterone receptors if cortisol levels are high, that could actually antagonize or impede the relationship between testosterone and behavior, presumably through molecular pathways like receptor downregulation and so we theorize what we call the dual hormone hypothesis this role play exercise is designed to test the effect of cortisol on testosterone one participant gives a series of commands to the other if the player who is supposed to follow the commands feels stressed their behavior changes found that when cortisol levels were low, there was the effect that higher testosterone was related to greater dominance, but when cortisol levels were high, that effect was not there.
A leadership position really depends on what is happening along the stress axis in the body, so is it possible that testosterone is just one of many substances that can influence human behavior? More research is needed on this topic. At this point, experts have come to a variety of different conclusions. Biology does not mean simplicity. I think it's recognizing and appreciating the complexity that we are human beings, we are dynamic systems that have developed and evolved to adapt to different environments and that hormones actually their beauty again is that they are responsive to the environment so their hormones affect the how you behave, but the environment also affects the release of hormones in general, testosterone represents two of the main social issues of our time, competition and success, the cliché is that men who have too little testosterone are losers , men who have a lot are winners. table begins ends I don't know if I should be proud of the amount of testosterone I have or not depends on what society thinks or desirable qualities in men and that concept can change depending on culture and time. 13% testosterone is what men are made of.
The actual amount isn't that important, but every man needs at least a minimal amount since I started testosterone replacement therapy. I felt so much better, the depression and lack of energy were gone within two weeks and things just kept getting better for me. I am no longer confused or unhappy, so there is no simple one-to-one link between testosterone and male aggression or the pursuit of power. The findings indicate that it is the social and cultural environmental factors that determine the effects of testosterone on the masculine behavior that you

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