Sentences with phrase «serum testosterone concentrations»

Gardner - Thorpe D, O'Hagen C, Young I, Lewis SJ: Dietary supplements of soya flour lower serum testosterone concentrations and improve markers of oxidative stress in men.

Not exact matches

An influential 21 - week study by Ahtiainen J.P. et al. showed a correlation between T levels and the changes in isometric strength and muscle size, which means that both serum basal testosterone concentrations and training - induced acute testosterone responses are strongly associated with muscle and strength gains.

There is even research that supports the thinking that when men decreased their healthy fat intake, serum concentrations of testosterone and free testosterone also decreased.

The range of what constitutes normal testosterone levels differs from one medical center or lab to the next, although it is widely recognized that a man with a concentration of total serum testosterone less than 200 ng / dL is to be considered hypogonadal.

«Our results indicate that elevated THM exposure may lead to decreased sperm concentration and serum total testosterone» says Qiang Zeng, author of the study in Huazhong University of Science and Technology, Hubei, China.

Like serum testing, saliva tests offer only a «snapshot» look at hormones that ebb and flow throughout a 24 - hour period, for which reason its diagnostic value for testosterone, estradiol, progesterone, dehydroepiandrosterone (DHEA) and aldosterone is compromised by rapid fluctuations in salivary concentrations of these steroids.

Blood lactate (LA), serum growth hormone (GH), norepinephrine (NE), testosterone, and cortisol concentrations were measured before normoxia and hypoxia exposures; 15 minutes after the exposures; and at 0, 15, and 30 minutes after the exercises.

Longitudinal assessment of serum free testosterone concentration predicts memory performance and cognitive status in elderly men.

In 280 women with a mean age of 18 years old, Boyd and colleagues observed positive associations of serum estradiol, testosterone, progesterone, and sex hormone — binding globulin (SHBG) concentrations with percentage of breast water, a measure of the proportion of the fibroglandular breast tissue to fatty tissue, but only SHBG results were statistically significant (31).

Laboratory investigation showed normal thyroid function; the follicle - stimulating hormone (FSH) concentration was 1.04 IU per liter (reference range, 0.25 to 1.92), luteinizing hormone 0.47 IU per liter (reference range, 0.02 to 1.03), testosterone 0.08 ng per milliliter (0.27 nmol per liter)(reference range, 0.02 to 0.25 ng per milliliter), estradiol less than 20 pg per milliliter (73 pmol per liter)(normal value, < 20), dehydroepiandrosterone (DHEA) sulfate less than 5.0 μg per deciliter (0.14 μmol per liter)(reference range, 1 to 40), 17 - alpha - hydroxyprogesterone 0.32 μg per liter (0.97 nmol per liter)(reference range, 0.2 to 0.8), and prolactin 8.0 μg per liter per liter (reference range, 2 to 29); the serum biochemistry values, including liver - function tests, were normal.