Sentences with phrase «sex hormone testosterone»

Girls who had irregular periods were more overweight and obese, and they had higher levels of the sex hormone testosterone than those with predictable periods, the findings showed.

Omega threes are also crucial in the formation of the male sex hormone testosterone, the production of which tends to decline with age and as a result of chronic stress.

According to one study resveratrol was able to increase levels of male sex hormone testosterone and positively influenced fertility and reproductive function in men, bone and muscle strength.

In addition, creatine buffers the production of lactic acid and can raise the levels of the male sex hormone testosterone, which also accelerates the growth of muscle mass.

Steroids are synthetic variations of the male sex hormone testosterone and are mainly used to increase muscle, decrease fat and enhance athletic performance.

The sex hormone testosterone exerts a substantial influence on human behaviour and cognition.

Men with low levels of the male sex hormone testosterone need not fear that testosterone replacement therapy will increase their risk of prostate cancer.

His research shows that high levels of the male sex hormone testosterone in the womb affect a woman's ability to produce milk and to breast - feed.

The ketchup was flavored with Mexican chiles, various herbs, and zinc, which has been shown by studies to increase levels of the male sex hormone testosterone.

Why men have more heart disease than premenopausal women has been unclear, but a new study shows that the sex hormones testosterone and estrogen alter cardiovascular risk factors in a way that raises a man's risk of heart disease.

Rather ominously, phthalates are known as endocrine disrupters, meaning that they can change the body's production of the sex hormones testosterone and estrogen and, in animal studies, alter the onset of puberty in mouse pups exposed to high levels of the chemicals in utero.

The sex hormones testosterone and estrogen trouble you a lot if the build up is not controlled with a sexual release.

Not exact matches

It's called dimethandrolone undecanoate, or DMAU, and works by suppressing male body's natural sex hormone (testosterone).

The artificial hormone is designed to mimic the role testosterone plays in non-sperm-related functions in the body, like sex drive, musculation, and hair growth.

That is the biologically male sex hormone, but testosterone is also found in women and drives the desire for sex.

Testosterone is known as a male sex hormone, but women have levels of the hormone in their system as well.

In arguing for more research in physiology, he cited «a definitive health survey of nearly 4,500 Vietnam war veterans revealing that men with the highest levels of testosterone — a male sex hormone — were violent and impulsive, committed crimes, abused drugs, were promiscuous, beat their wives and had poor work records.

Men who stayed single showed a small age - related decline of about 12 to 15 percent in the male sex hormone, while the testosterone levels of new fathers — those with a baby between 1 month and 1 year — on average dropped about 30 percent.

Sex hormones, including testosterone, evolved 500 million years ago — before the first vertebrate animals — from the «mother» of all steroid hormones, estrogen.

Men may not go on a hormonal rollercoaster with their pregnant partners, but once the baby shows up, their bodies biologically transition into «daddy mode,» suggests a new study finding that levels of testosterone, the «macho» sex hormone, drop in new fathers.

This hormone ripens eggs in females and has long been thought to do the same for sperm — without affecting levels of the male sex hormone, testosterone.

Elderly men with low levels of testosterone or other sex hormones have twice the likelihood of having declining physical function over two years» time compared with their peers who have the highest hormone levels, a new study from Australia finds.

Testosterone is one of a group of sex hormones called androgens.

Testosterone is a key male sex hormone involved in maintaining sex drive, erectile function and sperm production.

Among the most common hormone disorders in women of reproductive age, PCOS occurs when a women's body produces slightly higher amounts of testosterone and other androgen hormones — sex hormones typically associated with men, but also found in women — than normal.

«Decreasing estrogen levels have been reported to precede a decrease in sex hormone - binding globulin and testosterone, which may decrease sexual desire or sexual activity, or both,» said Dr. Trompeter.

«Testosterone replacement makes Type 2 diabetic men more sensitive to insulin: Testosterone is a metabolic hormone as well as a sex hormone, researchers say.»

It can also change the levels of sex hormones, such as oestrogen and testosterone, cause levels of insulin to rise, and lead to inflammation, all of which are factors that have been associated with increased cancer risk.»

Muscle atrophies as growth hormone declines; bones get fragile as estrogen declines; sex drive dwindles as testosterone declines.

Male and female mice differ not only in living arrangements but in exposure to sex hormones such as testosterone and estrogen that their own bodies produce.

While this study focused on testosterone, Newcomb hopes to expand further studies to explore the effects of more sex hormones on asthma.

Sure enough, males who bleated longer sported higher levels of testosterone and other «male» sex hormones than those with shorter bleats, the team reports online tomorrow in Biology Letters.

This included decreased levels of testosterone — a sex hormone which can help maintain the protective blood - testes barrier, an important shield that protects delicate tissues in the testes from components in the blood.

Testosterone is the main sex hormone in men.

Because of this sex difference, some scientists believe that a low ratio could be a marker for higher prenatal testosterone levels, although it's not clear how the hormone might influence finger development.

Carrying excess body fat can change the levels of sex hormones, such as oestrogen and testosterone, can cause levels of insulin to rise, and lead to inflammation, all of which are factors that have been associated with increased cancer risk.

Using a new TaqMan PCR - based technique, the researchers screened a number of cancer cell lines from various tissues, and discovered that tRNA halves were specifically expressed in large quantities in sex hormone - dependent cancers, i.e., estrogen receptor (ER)- positive breast cancer and androgen receptor (AR)- positive prostate cancer that are driven by the hormones estrogen and testosterone.

Professor Baron - Cohen commented: «Although these very clear sex differences in brain structure may reflect an environmental or social factor, from other studies we know that biological influences are also important, including prenatal sex steroid hormones (such as fetal testosterone) as well as sex chromosome effects.

Nevertheless, the balance of sex hormones appears important as inappropriate low testosterone, or high estrogen concentrations in males, may also relate to fatty liver disease and metabolic abnormalities.

The testes secrete a hormone called testosterone, which stimulates the production of sperm and secondary male sex characteristics, such as the growth of facial and body hair.

In contrast, testosterone accelerates the development of nondiabetic chronic renal disease, and in streptozotocin - induced diabetic male rats, decreased testosterone levels and changes of sex hormone levels exacerbated the development of diabetic nephropathy, showing the importance of sex hormones in pathophysiologic mechanisms behind disease progression (334).

testosterone Although known as a male sex hormone, females make this reproductive hormone as well (generally in smaller quantities).

Being overweight is a huge contributor to sex hormone imbalance; in particular, body mass index (BMI) is correlated to lower levels of total testosterone.

From that point on, our hormones rule our every decade, giving us our first period (and PMS), the highs and lows of pregnancy, and the big M. And this chemical influence is actually a good thing: So - called sex hormones, like estrogen, progesterone and testosterone, help keep our sex drive up, our risk of heart disease down and our baby - making ability primed.

Obese men — and men with metabolic syndrome or type 2 diabetes — have lower total and free testosterone as well as low sex hormone - binding globulin (SHBG).

Harmful effects: they disrupt the hormonal balance in the body, particularly the secretion of testosterone and the female sex hormone estrogen.

Ailments of this variety usually come packaged with digestive problems, cystic acne and excess facial hair, the latter the result of too - high testosterone and sex hormones that are on the fritz.

Testosterone is the male sex hormone that both men (and to a certain extent, women) need to stay physically and sexually strong.

How to get tested: Your gynecologist or internist can test your levels of sex hormones for an imbalance of testosterone, progesterone, and estrogen, says David Katz, MD, director of the Yale Prevention Research Center.

If our adrenal glands are chronically producing high levels of stress hormones, the adrenal glands are diverting the body's resources (cholesterol) away from making the sex hormones (testosterone and estrogen) to making stress hormones.