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Levels of testosterone and estrogen and bone density in elderly men

Article Abstract:

Decreased amounts of estrogen in elderly men probably cause osteoporosis rather than decreased amounts of testosterone. All men produce estrogen in small amounts and in a study of 405 elderly men, those with lower than normal estrogen levels were more likely to have osteoporosis.

Health aspects, Men's health

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Androgens, estrogens, and bone in men

Article Abstract:

Decreasing testosterone levels as men age may increase their risk of osteoporosis. While testosterone may or may not have a direct effect on bone density, estrogen does, and testosterone is the major source of estrogen in men.

Editorial, Testosterone

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Androgens, lipids, and cardiovascular risk

Article Abstract:

Men are more likely than premenopausal women to develop coronary artery disease. This difference has been attributed to the hormonal differences between men and women. Certain sex hormones may affect the blood levels of lipids (fats) that may contribute to the development of coronary artery disease. A research study found that men with non-insulin-dependent diabetes mellitus (NIDDM) may have significantly lower levels of testosterone and other androgen hormones than men without NIDDM. An association was also found between decreased blood levels of total testosterone and abnormalities in blood lipid concentrations. These abnormalities could increase the risk of coronary artery disease. Increased blood levels of insulin may contribute to the abnormalities in testosterone and blood lipid concentrations observed in men with NIDDM. More information is needed before treatment with testosterone can be used to prevent cardiovascular disease in men.

Measurement, Complications and side effects, Coronary heart disease, Type 2 diabetes, Blood lipids, Androgens

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