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Article Topic: testosterone
Testosterone is a steroid hormone from the androgen group and is found in mammals, reptiles,[1] birds,[2] and other vertebrates. In mammals, testosterone is primarily secreted in the testes of males and the ovaries of females, although small amounts are also secreted by the adrenal glands. It is the principal male sex hormone and an anabolic steroid. In men, testosterone plays a key role in the development of male reproductive tissues such as the testis and prostate as well as promoting secondary sexual characteristics such as increased muscle, bone mass and hair growth.[3] In addition, testosterone is essential for health and well-being[4] as well as the prevention of osteoporosis.[5] On average, an adult human male body produces about ten times more testosterone than an adult human female body, but females are, from a behavioral perspective (rather than from an anatomical or biological perspective[citation needed]), more sensitive to the hormone.[6] However, the overall ranges for male and female are very wide, such that the ranges actually overlap at the low end and high end respectively[citation needed]. Testosterone is conserved through most vertebrates, although fish make a slightly different form called 11-ketotestosterone.[7] Its counterpart in insects is ecdysone.[8] These ubiquitous steroids suggest that sex hormones have an ancient evolutionary history.[9]
TESTOSTERONE Related Articles
1. Benefits of Natural Testosterone Therapy Along the way of aging...
by Tariq Ghazi
Post Date: 06/22/2010
Along the way of aging, men experience continuous loss of testosterone levels in their body. Loss of libido, mood swings, weight gain and loss of bone density are just a few of the symptoms of loss of testosterone in the body. Testosterone is a hormone that is extremely essential for the right development and growth of male characteristics. It is present in both men and women in varying quantities ...more...
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2. Heart and bone damage from low vitamin D tied to declines in sex...
by Webwire
Post Date: 11/23/2009
Effects of vitamin D deficiency amplified by shortage of estrogen
Researchers at Johns Hopkins are reporting what is believed to be the first conclusive evidence in men that the long-term ill effects of vitamin D deficiency are amplified by lower levels of the key sex hormone estrogen, but not testosterone.
In a national study in 1010 men, to be presented Nov. 15 at the Ame ...more...
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3. Testosterone Therapy: Does It Really Increase Sex Drive In Men?
by Shane David
Post Date: 08/06/2009
Living in a hasty world of multi-tasking, where one person is stuck with countless chores and has his mind occupied in several things simultaneously, it’s hard to stay focused and avoid depression and stress attacks at times. Moreover, an unfit routine leads to an unhealthy diet, which again affects a person’s body growth. Not to forget the late night sittings causing a man to sleep only for a cou ...more...
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4. Benefits of Testosterone
by Shane David
Post Date: 07/21/2009
States has a record of around 50 million men enduring testosterone deficiency in one way or the other without even knowing. They sometimes feel stressed and worn out or sometimes they feel a reduced sex inclination. Reduction of testosterone in the body may be a cause of all this because testosterone level in the body declines automatically as the person ages, causing a number of deficiencies affe ...more...
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5. Testosterone Replacement Therapy can turn Mr. Grumpy into Mr. Ha...
by Shane David
Post Date: 06/23/2009
Testosterone Replacement Therapy has emerged as the number 1 remedy for all those cranky men constantly complaining about reduced sex drive, decreased energy levels, low bone density and muscle mass, mood swings, unbalanced blood pressure and cholesterol level and many of the other old age factors.
The benefits of testosterone therapy are incredible. It increases your muscle mas ...more...
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6. How Does Testosterone Therapy Improve Sexual Performance in Men?
by Shane David
Post Date: 05/19/2009
Hormone Therapy Center that provides naturalHormone Replacement Therapy (HRT) and information related to hormonal imbalance. Our Human Growth Hormone HGH Therapy and Testosterone Replacement Therapy (TRT) are beneficial for men havin ...more...
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7. Anti-Aging Secrets
by Amir Friedman
Post Date: 05/19/2009
Day by day as we grow older, our bodies tend to process nutrients less efficiency and our metabolism starts to slow down which means we must increase our nutrient consumption and fitness if we want to be healthy and live into our 80s and 90s. Some go with natural anti-aging secrets such as a balanced diet, fitness and good skin care habits while others may need a little help to increase strength w ...more...
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8. Testosterone Therapy—the Super Formula for Anti-Aging
by Shane David
Post Date: 04/30/2009
What would you do if you were given an opportunity to turn back the time and look ten years younger? Old age is inevitable; we all believe it’s true. But feeling old is something in our very own hands. Feeling aged and exhausted way before time is something to really worry about, it is somewhat like a full-stop to all the activities requiring energy…and it’s a fact that no one likes being old. Fol ...more...
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9. Struggling With A Low Libido A Woman's Battle
by Lorna Darden
Post Date: 01/22/2009
Struggling with a low sex drive can be a big issue individually for a woman and a strain in a relationship. It can be an embarrassing subject to talk about. As we get older our bodies go through so many changes. Going through preimenopause and menopause can put you at several risks of skin problems, hormone issues, behavioral issues, high estrogen levels and weight gain. During the time of men ...more...
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10. Sex hormones link to heart risk
by Maciej Tomaszewski
Post Date: 08/31/2008
University of Leicester -
New research led by University of Leicester into why men are more prone to heart disease
Men are more prone to – and likely to die of - heart disease compared with women of a similar age – and sex hormones are to blame, according to a new University of Leicester led study
The findings of a study by Dr Maciej Tomaszewski, New Blood Le ...more...
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