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Bone Disorders

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...

Menopause

Menopause

Menopause, a natural biological process marking the end of a woman's fertility, typically occurs between the fifth and sixth decade of life. This phase is characterized by the exhaustion of the ovarian follicle pool, leading to less responsive ovaries despite the high levels of Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH). The consequential decrease in estrogen production results in symptoms like hot flashes, heavy sweating, headaches, hair loss, muscle pains, vaginal...

Disorders of the Male Reproductive System

Disorders of the Male Reproductive System

Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra. Symptoms...

Bone Remodeling

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.

Hormones and Bone Tissue

Hormones and Bone Tissue

The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...

Infertility in Males

Infertility in Males

Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...

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Related Experiment Video

Updated: Jul 14, 2026

Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats

Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats

Published on: April 7, 2023

Osteoporosis in men.

Luigi Gennari¹, John P Bilezikian

¹Department of Internal Medicine, Endocrine-Metabolic Sciences and Biochemistry, University of Siena, Siena 53100, Italy.

Endocrinology and Metabolism Clinics of North America

|June 5, 2007

Summary

Osteoporosis is increasingly recognized as a significant health issue affecting men, not just older women. This review explores the factors contributing to bone health and disease in males.

Area of Science:

Bone biology and skeletal health.

Background:

Osteoporosis traditionally viewed as a disease of aging females.
Increasing epidemiological evidence highlights osteoporosis as a growing health concern in men.
Factors include increased longevity and greater awareness of the condition in males.

Purpose of the Study:

To review the factors influencing bone acquisition, maintenance, and loss in men.
To present new insights into the causes, pathogenesis, and treatment of male osteoporosis.

Main Methods:

Literature review of epidemiological studies and scientific research.
Synthesis of current knowledge on male osteoporosis.

Main Results:

Male osteoporosis is a significant and increasing health problem.

Related Experiment Videos

Last Updated: Jul 14, 2026

Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats

Estrogen-Like Effect of Bazi Bushen Capsule in Ovariectomized Rats

Published on: April 7, 2023

Understanding of bone metabolism in men is evolving.

Conclusions:

Male osteoporosis requires greater attention and research.
Further insights into pathogenesis and treatment are crucial for this growing population.