Category Archives for Sex

Citrulline Treats Erectile Dysfunction, Fights Aging and Obesity

Citrulline treats erectile dysfunction and increases virility. It also functions as a potent ergogenic aid during exercise. Citrulline is a cheap, safe, over-the-counter, amino acid. Citrulline treats

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Male reproductive health and lifestyle

Lifestyle factors, such as diet, exercise, and sleep, influence many aspects of our physiology, including sperm production. Lifestyle impact and the biology of the human scrotum The possession of a scrotum

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Musclemen have more sex partners

  Costs and benefits of fat-free muscle mass in men: relationship to mating success, dietary requirements, and native immunity Abstract: On average, men have 61% more muscle mass than women (d=3),

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Male Sexuality, Athletics, and Vitamin D

Why many people are deficient in vitamin D Vitamin D has been in the news a lot over the past five years or so; it’s importance to human health was already recognized, but the realization has hit

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Correlation between low sperm quality and soda consumption

Sugar-sweetened beverage intake in relation to semen quality and reproductive hormone levels in young men. The authors found that SSB intake was inversely related to progressive sperm motility. Men in

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Majority of young European men may be subfertile

Adverse trends in male reproductive health: we may have reached a crucial ‘tipping point’ Healthy men produce an enormous number of sperms, far more than necessary for conception. However, several

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Loss of Virility Associated with Soy and Veganism

In my book on chronic fatigue, a key point is the deleterious effects of inadequate protein in the diet. This is the main reason veganism is a bad health strategy. Some people have to learn this the hard

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Men’s music ability and attractiveness to women in a real-life courtship context

Men’s music ability and attractiveness to women in a real-life courtship context Abstract This experiment tested the assumption that music plays a role in sexual selection. Three hundred young women

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Men turned off by higher earning women?

If Wife Earns More, Husband’s Sexual Performance May Suffer: Study A man who finds his wife’s salary is eclipsing his own may feel that earnings difference in the bedroom — and not in

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Fitness costs and benefits of personality disorder traits

From Evolution and Human Behavior: Fitness costs and benefits of personality disorder traits Extreme personality traits in humans often have detrimental life consequences, so they have long been supposed

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Penicillin initiated the sexual revolution

The Wages of Sin: How the Discovery of Penicillin Reshaped Modern Sexuality. Abstract It was not until 1943, amid world war, that penicillin was found to be an effective treatment for syphilis. This study

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Women with endometriosis more attractive?

Study suggests women with severe forms of endometriosis are more attractive (Medical Xpress)—In a truly odd study undertaken by a group of OB/GYN researchers in Italy, volunteer women were judged to

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Eating disorders and the extreme female brain

Eating disorders and the extreme female brain Research by evolutionary psychologists Jennifer Bremser at Alfred State College and Gordon Gallup from the University at Albany, implicates eating disorders

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The Myth of Promiscuity

The Myth of Promiscuity (pdf) is a review of Lynn Saxon’s Sex at Dusk, which is itself a reply to the book Sex at Dawn. This review is a must-read for anyone interested in either evolutionary psychology

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Wilt Chamberlain: Running the Numbers

Did Wilt Chamberlain Really Sleep With 20,000 Women? The answer: it seems doubtful. But it was probably a very large number in any case.

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Women’s body movements are a potential cue to ovulation

Women’s body movements are a potential cue to ovulation Abstract Recent evidence suggests that the concept of ‘concealed ovulation’ in women should be reconsidered, as there appear to be certain

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Parents also choose

Sexual selection under parental choice: Evidence from sixteen historical societies Evolutionary Psychology 10(3): 504-518 Menelaos Apostolou, Social Sciences, University of Nicosia, Nicosia, Cyprus, m.apostolou@gmail.comAbstract Asymmetrical

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Low nonpaternity rate in an old Afrikaner family

Low nonpaternity rate in an old Afrikaner family Abstract  Extrapair paternity is a crucial parameter for evolutionary explanations of reproductive behavior. Early studies and human testis size

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