Testosterone is the hormone that men and women. Testosterone is considered the most important of all sex hormones. It is a steroid hormone, primarily in the testes in men and ovaries in women. Women also have low levels of this hormone in their system, because it is a precursor of estrogen. In men, it is for the development of bone and muscle. As already mentioned, is the testosterone in male sexual health, because it promotes spermatogenesis and influence the development of secondary male characteristics such as face and deep voice. This hormone is also the spirit of clarity and sexual desire. Some medical reports suggest that testosterone has an important role in the development of self-confidence and social success. Other functions and roles of testosterone may influence the following areas: Increases muscle strength and endurance Increase Libido Increases bone density Decreased in fat tissues Promoting health and wellbeing. About the production of testosterone in men can be aggressive in males during puberty and amenorrhea (no period) among women. Recent medical studies indicate that testosterone in the United States are lower than those who were several years ago. Some of these factors, which are responsible for this decline are in this article. Overweight and obesity One possible explanation is the decrease of testosterone, men are overweight than ever. Medical studies indicate that obesity is an important indicator for low testosterone. These studies add ten per cent in a \ 's body mass index (BMI) may be that testosterone is reduced by about ten percent. For this reason, the fat or weight of a total of 25 per cent less than their testosterone adapter. Smoking Smoking can cause damage to cells of the testes, male reproductive organs in the scrotum, sperm production and testosterone. Smoke damage to inhibit the production of testosterone and the problems associated with male sexual health. You can also work with the body de l \ 'efficiency and effectiveness in building muscle. Hypertension The long-term hypertension can damage the lining of blood vessels and atherosclerosis, or hardening of blood vessels. Given this evolution, less blood, oxygen and food are on the penis. For many men, with a decrease in the flow, there are difficulties in achieving and maintaining an erection. High blood pressure can also be ejaculation and libido. Many drugs for the treatment of hypertension may have similar effects. The lifestyle changes are essential to maintaining good general health and testosterone. A man \ 's decreased testosterone, if you have the age of 40. But maintaining a healthy lifestyle and nutritious diet slowdown in May of this decline and improve sexual health. If these things are not medical methods, which can be used to improve the \ 's testosterone. Replacement of testosterone in the treatment with testosterone, improved and completed in May \ 's testosterone. People who want these methods should facilitate the admission of doctors.