Category Archives for Testosterone

Testosterone therapy associated with vastly lower rate of heart attack and stroke

Testosterone Therapy Is Not Associated with Increased Cardiovascular Risk in Study Registry. I can’t copy and paste, so you’ll have to go read it there, but T therapy was associated with an

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Testosterone and mortality

A recent study that got a lot of traction in the press, Increased Risk of Non-Fatal Myocardial Infarction Following Testosterone Therapy Prescription in Men, found that men newly prescribed testosterone

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Magnesium increases T levels

Effects of Magnesium Supplementation on Testosterone Levels of Athletes and Sedentary Subjects at Rest and after Exhaustion This study was performed to assess how 4 weeks of magnesium supplementation and

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Does soy consumption affect male reproductive parameters?

There’s some question as to whether soy consumption affects male reproductive parameters such as sperm count and testosterone levels, some studies answering in the positive, some not. But there are

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Testosterone, fatigue, energy

One of the symptoms of low testosterone (T), also known as hypogonadism, is fatigue or low energy levels. A couple of papers give some insight into how this works, as well as the extent to which replacing

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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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Association of phthalates with obesity and insulin resistance

Concentrations of urinary phthalate metabolites are associated with increased waist circumference and insulin resistance in adult U.S. males. BACKGROUND: Phthalates impair rodent testicular function and

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Secular decline in testosterone levels

A Population-Level Decline in Serum Testosterone Levels in American Men Context: Age-specific estimates of mean testosterone (T) concentrations appear to vary by year of observation and by birth cohort,

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Probiotics sustain T levels

Probiotic Microbes Sustain Youthful Serum Testosterone Levels and Testicular Size in Aging Mice The decline of circulating testosterone levels in aging men is associated with adverse health effects. During

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Bioavailable Testosterone and Depressed Mood in Older Men

Bioavailable Testosterone and Depressed Mood in Older Men: The Rancho Bernardo Study A cross-sectional population-based study examined the association between endogenous sex hormones and depressed mood

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Testosterone, body composition and aging

Testosterone, body composition and aging. In addition to growth hormone (GH), sex hormones are important determinants of body composition. Aging is accompanied by a decrease in free testosterone levels

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Increasing testosterone by inhibiting aromatase

Kindke has an interesting post on an easy way to increase testosterone, through inhibiting the enzyme aromatase. This enzyme is responsible for converting testosterone (T) into estradiol. In the study

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Resveratrol doubles sperm count and testosterone in rats

trans-Resveratrol, a Natural Antioxidant from Grapes, Increases Sperm Output in Healthy Rats trans-Resveratrol was reported to have health benefits including anticarcinogenic effects and protection against

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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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Aggressive dominance and testosterone

The relation between dominance, anger, and hormones in normally aging men: results from the Massachusetts Male Aging Study. A Gray, D N Jackson and J B McKinlay+ Author Affiliations New England Research

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Zinc Raises Testosterone and Improves Sexual Health

Many men are marginally zinc deficient, and supplementing with zinc raises testosterone and improves sexual health in parameters such as semen volume. Following are several studies that show the dramatic

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Testosterone replacement effects on muscle

Effects of testosterone replacement on muscle mass and muscle protein synthesis in hypogonadal men–a clinical research center study. Testosterone replacement in hypogonadism has long been known to

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Food packaging chemicals can mess with testosterone

Fluorochemicals used in food packaging inhibit male sex hormone synthesis Polyfluoroalkyl phosphate surfactants (PAPS) are widely used in food contact materials (FCMs) of paper and board and have recently

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