[more than 30 papers] Summary of research cases on the effects and actions of testosterone [muscle, brain function, sexual function and others].

."testosteroneI want to know the effects of!"

."testosteroneI'd love to see a compilation of all the research case studies on the relationship!"

After all...testosteroneHow does my personality change when I have a high

This page is designed to meet that need.testosteroneThis section summarizes every single case study of the study.

Japan's besttestosteroneA Summary of Case Studies of Effectiveness."Aiming forupdate as neededPlease refer to the following page for more information.

the physical plane

Muscle training and cortisol-related

1989:An experiment with 23 to 63 year olds. Serum growth hormone andtestosterone(at sentence-end, falling tone) indicates a confident conclusionmuscle strengthObserved responses to the training program.muscle strengthTraining isRegardless of age, growth hormone andtestosteroneTriggers the release ofI have shown that it can be done, though,The reaction of the elderly was not the same as that of the young.and conclusion (reference(See Section 2.1.2.).

The younger generation is more affected, but that doesn't mean that they are not significant because they are older.

1995:A study of six men around 67 years of age.4 weeks to produce serum concentrations equivalent to those of young mentestosteroneinjection. As a result, older men'stestosteroneWhen the concentration is increased,Concludes that skeletal muscle protein synthesis and strength increase(in Japanese history)reference(See Section 2.1.2.).

2010: High Intensity TrainingStudies of acute hormonal responses toreference(See Section 2.1.2.).

High-intensity training.testosteroneRapid increase inconfirmed. observed in athletes who routinely use high-intensity training.muscle enlargementHe explained that this may partially explain the

The legs of a bicycle racer.extremely untidyIs this the one that is

... 2015.21 people.Obese young menThe experiment on the (reference(See Section 2.1.2.).

weight trainingThe measurements were made in two groups, one with and one without the 12-weekmuscle strengthSerum adiponectin after training andtestosteroneInvestigated changes in concentrations.muscle strengthTraining isAlthough it had no significant effect on body weight and body mass index,body fat percentageis declining.

muscle strengthThe trained group had higher serum adiponectin andtestosteroneImproved concentration.

Please check the reference link to see what kind of training was actually done.

2015:weight trainingStrength andtestosteroneCorrelation of valuesObservation ofreference). 10 healthy.weight trainingFor experienced men.

Menu

Upper and lower body at medium intensity (70% 1RM)

High intensity upper and lower body (90% 1RM)

Results,Medium strength is sufficient improvement.Although the high strength has also improved,testosteroneimprovement values are about the same as for medium strength and remain almost unchanged.testosteroneIf we only look at the value, we conclude that medium is OK.

Upper body bench press, barbell bent row, and military press.

Squats and deadlifts for the lower body.

... 2016: the length of rest during the bench press.testosteroneValue (total)testosteroneand isolationtestosterone(2) Verification of how it affects the(in Japanese history)reference)The following is a list of the most common problems with theTen.muscle strengthTrained men (25.2 ± 5.6 years, 78.2 ± 5.7 kg, 176.7 ± 5.4 cm, bench press relative strength: 1.3 ± 0.1 kg per kilogram of body weight) were included.

In conclusion, both short rest periods (1 minute) and long rest periods (3 minutes) are acutelytestosteronevalue, though,Longer rests are totaltestosteroneand isolationtestosteronepromoted a long-term rise in both the

the lasttestosteroneIf you only want to look at values, you can do so after some interval.It's like that.

... 2019.An experiment with 13 trained healthy male athletes.Bench press or back squat?testosteroneDo you want to improve theObservation.

The back squat exercise is an intensemuscle strengthMay alter the body's hormonal state after training workoutsThe,muscleLow-volume exercise (bench press) istestosteroneandcortisolThe conclusion is that there is little impact on the (reference(See Section 2.1.2.).

testosteroneIf you want to make a big deal out ofI mean squat at high intensity.Yes.

2021: Adult male mice.muscleThe maintenance of quantity istestosteroneunrelated toand conclusion (reference)

In the study, the age-specific mice andtestosteroneThe following is concluded about the relationship between
(1) Developing male mice: essential for normal skeletal muscle growth
(2) Adult male mice: unlikely to play a major role in maintaining skeletal muscle mass
(iii) Older male mice: additional research required

I am curious what would happen if it were a human being.

2021: The year 2021When healthy individuals perform HIIT (High Intensity Interval Training)testosteroneandcortisolStudies of acute reactions of (reference(see Figure 1). 30 and 60 minutes, 120 and 180 minutes, and 24 hours later.

testosteroneandcortisolThe transition of the following

testosteroneIt's a shame that the rise of the "Mere Old Man" was over rather quickly.

By the way, 24 hours later.testosteronebe beyond one's controlcortisolalso recovered to normal levels.

Sexual and reproductive function

2005:Men'ssex functiontotestosteroneStudies measuring the effectiveness of supplementation (reference(656 people).

averagetestosteroneIn men with levels less than 12 nmol / l,testosteroneBy treatment,Moderate improvement in number of nocturnal erections, sexual thoughts and motivation, number of successful intercourse, erectile function scores, and overall sexual satisfactionThe results of the study showed that the

in this contexttestosteroneTreatment means.testosteroneReplacement therapy.

2007: 22 hypogonadism with erectile dysfunctionA study of men (mean age 58 years) from the (reference(See Section 2.1.2.).

Of these, 15 patients' seratestosteronewas less than 6.9 nmol / L, and the remaining seven patients ranged from 7.2 to 11.7 nmol / L.

If you are an average Japanese male,Normal if greater than 11.8 pg/ml.

testosteroneThe low values indicated that there was a significant amount of concurrent disease. The average duration of sexual distress for patients in the study was 3.8 years.

To these patients,muscleinternal long-acting typetestosteroneDose of undecanoic acid.

Results showed that in all patients, serumtestosteroneLevels recovered to normal within 6-8 weeks; 12 patientsSignificant improvement in the sexual desire area and improvement in the erectile function area.

testosteroneof men whose levels are below normal.testosteronelevels back to normal, most subjects'sexual desirehas improvedand concluded that erectile function improves in more than 50% of these men.

2014: Male with hypogonadism.for thetestosteroneMeasuring the Effectiveness of Replacement Therapy. Male subjects with hypogonadism.sex functionPositive effect on. In men who are not obviously hypogonadal,testosteroneHe said the role of supplementation is uncertain (reference(See Section 2.1.2.).

Brain function and intelligence

To put it bluntly, cognitive function andtestosteroneIs there or is there not a correlation betweenThe debate is divided.So we cannot say for sure (as of 2022).

1991:testosteronevalues and studies on cognitive function. Normal men and women withcognitive abilityis the subject of this report.testosteronebetween the concentration and spatial capacity ofNoted that no correlation was found.(See "The Role of the Direction of the Direction of the Earth" on page 3. (Thereference)

testosteroneandlow (position)The male group is morehighSome grades were higher than the group.

2004: Anorexia nervosaAn experiment with 14 women and 20 healthy individuals with anorexia nervosa. women with anorexia nervosa.testosteronewas administered, brain metabolism increased in the posterior cingulate cortex, anterior cingulate cortex below the knee, premotor cortex, right caudate nucleus, and right parietal lobe (reference(See Section 2.1.2.).

Women with anorexia nervosa had a weaker metabolism in the posterior cingulate cortex than healthy individuals, which increased=.Heading toward improvement.That is to say.

... 2015.Low in older mentestosteroneA meta-analysis of levels and risk of Alzheimer's disease (reference(Plasma). Plasma.testosteroneDecrease in level,Significantly associated with increased risk of Alzheimer's disease in older menCorroboration of the fact that.

testosteroneAt lower levels, cognitive function in older men declines.

as high as possibletestosteroneWe want to keep the level of

sleep

2007:in older men.sleepand morningtestosteronelevelIn connection with the (reference(Subjects: 12 healthy men aged 64-74 years. Nighttime.sleepThe amount is the healthy older male's morningtestosteroneHe noted that this is related to an important part of the level variation.

Apart from this, even young peoplesleepThe more time you have, the better.testosteroneI know there are studies showing that there are many of them.

2013: The first time in the yearStudy of 24 young men and 25 women. Intended.sleepgroups that are deficient and those that are not.testosteroneValue and AggressivenessComparison ofreference(See Section 2.1.2.).

Men'ssleepImpact of shortages →.testosteroneand "reduction" of reactive aggression.

Reactive aggression: in essence, "retaliatory behavior/aggression when harassed.
sleepThis result is surprising because I had an image that the lack of it was more irritating and aggressive.

Women'ssleepEffect of deficiency → No particular effect on aggression was observed.

... 2018.testosteroneand obstructivesleepsleep apneaAbout.

testosteroneand obstructivesleepAlthough the relationship between time apnea is complex and not yet fully understood, obstructivesleepTime apnea is caused by hypoxia andsleepThrough fragmentation of thetestosteronePotential to contribute to a decrease inThe company pointed out that there is a (reference(See Section 2.1.2.).

Furthermore, obesity and advanced age are associated with obstructivesleepof a middle-aged man with time apnea.testosteroneHe points out that this may explain the decrease in secretion levels.

... 2019.testosteroneand young men.sleepHours.Research onreference(See Section 2.1.2.).sleepRestrictions,Healthy young male plasmatestosteroneNo adverse effect on levelConclusion.

Contradictory to evidence and conclusions of existing studies.

sleepShort time, prohormones aretestosteroneinstead ofcortisolIt has been found that much of the money is spent on

Therefore, throughout his life, a man'stestosteroneConcentration andsleepConcluded that additional research is needed to confirm the impact of time and quality.

... 2019.sleepThe decline in the quality oftestosteronePotential to reduce the level ofResearch on (reference). using data collected from the 2011-2012 National Health and Nutrition Examination Survey (NHANES). serum total for males aged 16 years and older.testosteroneLevel, thesleepTime, demographics, and comorbidities were extracted.

In men aged 16-80 years in the United States,Increase in age,sleepdisability, and increased BMI.testosteroneRelated to the decline inWe have found that the Therefore,serumtestosteronecombined with weight management to assess and treat the decline insleepNeed to include time improvements.The study concluded that it is important to have

diabetes mellitus

Low serum in men with type 2 diabetestestosterone(LST) have been reported worldwide.

in preparation

Other

1999:Among 61 male and 88 female college students, spitliquidtestosteroneExperiments that measured the level and the pitch of the voice or fundamental frequency (reference(See Section 2.1.2.).

thantestosterone(at sentence-end, falling tone) indicates a confident conclusionIn higher males, voice pitch was lower.He said.

Biological factors:testosteronechanges the size, length, or tension of the vocal folds.

Psychological factors: individuals are socialinteractionUse as part of your strategy, in the style of your voice.testosteroneBecause of the impact of the

testosteroneSo, biologically and psychologically, men who are high in the "high" category speak in a low voice.

2009: Older mentestosteroneSerum Levels and LifestyleResearch on (reference). A total of 375 men with a mean age of 59.9 years (9.2 ± SD) participated in the study.Age, BMI, smoking andtestosteroneand freetestosteroneConfirmed correlation with serum levels ofThe first time the company was founded, it was a small company.

Conversely, alcohol consumption and physical and social activities,sleepHe said he was "not sure" about the quality of the

spiritual plane

Testosterone and Personality Aggression

1994:In studies comparing aggressive groups (e.g., violent prisoners) with non-aggressive groups,The more aggressive group.testosteroneHigh level.It has been shown that (a)reference(See Section 2.1.2.).

interpoint (interword separation)testosteroneThe evidence of a strong association between and adolescent aggression is "limited".

interpoint (interword separation)testosteroneand aggression act in both directions.Potential."There is a

interpoint (interword separation)testosteroneWhen the level is manipulated, the aggressiveness of the attacker changes.Limited."Provenance.

Although it is expected that they are related, none of them are.I'm not asserting that.Editorial tone.

1998.An experiment with 119 male undergraduates. Aggression coefficients were calculated from a principal components analysis of aggression measures.testosteroneshowed no significant relationship to any single or aggregate measure of aggression or to any of the other psychometric measures.

Previous studies circulatedtestosteronePossibly overestimated the strength of the association between aggression andpointed out that the Further discussion of the relationship between age, social representation, and aggression was needed (reference(See Section 2.1.2.).

2005: Study of older men (60-75 years old).testosteroneand the amount of,sex functionand mood, and their relationship to visuospatial cognition.Observation ofreference(See Section 2.1.2.).

sex function: overall compared to placebo.sex functionreported a significant improvement in

Mood: No correlation found.

Visuospatial cognition: partially improved.

sex functionThe following results are for the

Rising: Overallsex functioninterpoint (interword separation)sexual desireErectile capacity under stimulation

No change: spontaneous erection, frequency of sexual intercourse, frequency of masturbation

2006: With Gunsinteractionandtestosteronelevel and whether subsequent aggressive behavior increasesTested 30 male college students. They were asked to touch either a gun or a child's toy for 15 minutes and spitliquidcollection.Guns andinteractionThe man who did this was a child's toy andinteractionthan the men who did,testosteroneSignificant increase in(in Japanese history)reference(See Section 2.1.2.).

I was told to put hot sauce in the water "for others to drink."Gun group more contaminated than toy group = more aggressionThe analysis shows that the company is doing so.

2007:An experiment with 31 male subjects with personality disorders. Cerebrospinalliquidtestosteroneand aggression, "we didn't know" that there was a significant relationship between the two.(in Japanese history)reference(See Section 2.1.2.).

What is a measure of aggression or impulsivity?They did not correlate.The,Directly correlated with a sense of adventureI was doing it. It is a challenger spirit.

Personally, I'm a fan of aggression andtestosteroneIt is surprising that the two did not correlate.

2020: The year of the earthquaketestosterone An experiment analyzing the correlation and linkage between aggression and human aggression.testosteroneand "loosely" correlated to personality aggression.(The company said that there is a (Thereference(See Section 2.1.2.).

Male: Loose interlocking is seen.But loose.
Women: not as interlocked as menNot seen.

in the promotion of human aggression.testosteroneThe results showed "no" and "more research is needed" for strong evidence of a causal relationship between the two.

Other studies.."testosteroneAnd aggression aren't really linked, are they?"This is often the result.

victory or defeat in battle

2020: The year of the earthquakeJudoist.On Training and CombattestosteronevalueA study on the (reference(17 judoka). after 5 minutes of fighting, the winner and the losertestosteronevalue andcortisolvalue where the value was measured,Winner.testosteroneandcortisolincreased. The losers did not change in any particular way.

testosteroneFor the sake of a serious fight for theFeel the sense of accomplishment of victory!That's what I mean.

Effect of Reducing Lying

2012: The first time in the year.91 male subjects. The male subjects were giventestosteronewhere it was administered,Significantly fewer lies compared to the placebo group (reference(See Section 2.1.2.).

in other wordsashwagandha (type of Indian cactus) drink =testosteroneFlag to be macho and honest with higher values....is it?

Social status and economic aspects

2021: The year 2021testosteroneis a meta-analysis that observed whether individuals' economic decisions (reference(Subject of three studies. Broadly speaking, the results of all three studies are,testosteroneand no consistent relationship between economic behavior or preferences.

testosteroneis high or low,No impact was seen on bullish or bearish economic risk-taking behaviorThat is what I mean.

food

... 2015.The study included 114 men between the ages of 18 and 44,testosteroneand food preferences were observed in a study (reference(Spit). spitliquidwithintestosteroneand observed the amount of pepper sauce and salt used. Conclusions,testosteroneand no correlation was observed with preference for salty foods.

But eat spicy food -> decrease body fat ->testosteroneI think there is likely to be an increase.

*The lower the body fat to some degree, the better.testosteroneStudies have shown that higher

References

A meta-analytic examination of the relationship between baseline, dynamic, and manipulated testosterone on human aggression

TESTOSTERONE AND AGGRESSION: Journal of Offender Rehabilitation: Vol 21, No 3-4

Aggression and testosterone: Testing a bio-social model - Campbell - 1997 - Aggressive Behavior - Wiley Online Library

Guns, Testosterone, and Aggression: An Experimental Test of a Mediational Hypothesis - Jennifer Klinesmith, Tim Kasser, Francis T. McAndrew, 2006

CSF testosterone: Relationship to aggression, impulsivity, and venturesomeness in adult males with personality disorder - ScienceDirect ScienceDirect

Testosterone administration to elderly men increases skeletal muscle strength and protein synthesis and Metabolism

Effects of progressive resistance training on growth hormone and testosterone levels in young and elderly subjects - ScienceDirect

Changes of Serum Adiponectin and Testosterone Concentrations Following Twelve Weeks Resistance Training in Obese Young Men - PMC

Salivary testosterone and cortisol concentrations after two different resistance training exercises.

Maintenance of muscle mass in adult male mice is independent of testosterone

Effects of testosterone on sexual function in men: results of a meta-analysis

Testosterone Supplementation and Sexual Function: A Meta-Analysis Study

Dose-Dependent Effects of Testosterone on Sexual Function, Mood, and Visuospatial Cognition in Older Men 

ORIGINAL RESEARCH-ENDOCRINOLOGY: Improvement of Sexual Function in Men with Late-Onset Hypogonadism Treated with Testosterone Only

Low Testosterone Level and Risk of Alzheimer's Disease in Elderly Men: a Systematic Review and Meta-Analysis

The relationship between testosterone levels and cognitive ability patterns

Testosterone administration attenuates regional brain hypometabolism in women with anorexia nervosa

Obstructive Sleep Apnea and Testosterone Deficiency

Association Between Sleep and Morning Testosterone Levels In Older Men 

Relationship between testosterone serum levels and lifestyle in aging men

Sleep restriction and testosterone concentrations in young healthy males: randomized controlled studies of acute and chronic short sleep

Sleep deprivation lowers reactive aggression and testosterone in men

A meta-analytic examination of the relationship between baseline, dynamic, and manipulated testosterone on human aggression

Impaired sleep is associated with low testosterone in US adult males: results from the National Health and Nutrition Examination Survey

Some like it hot: Testosterone predicts laboratory eating behavior of spicy food

High testosterone levels predict low voice pitchamong men

Moderate Intensity Resistance Training Significantly Elevates Testosterone following Upper Body and Lower Body Bouts When Total Volume is Held Constant

Long Rest Interval Promotes Durable Testosterone Responses in High-Intensity Bench Press

Testosterone and cortisol variation due to training and fight in judokas.

Testosterone Administration Reduces Lying in Men

The effect of testosterone on economic risk-taking: A multi-study, multi-method investigation

Acute testosterone and cortisol responses to high power resistance exercise

Acute effect of HIIT on testosterone and cortisol levels in healthy individuals: A systematic review and meta-analysis