research Testosterone Supplementation for Aging-Associated Sarcopenia
Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.
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research Safety of Testosterone Treatment in Postmenopausal Women
Testosterone therapy seems safe for postmenopausal women for a few years, but more research is needed for long-term effects.
research Exogenous Testosterone Alone or With Finasteride Does Not Improve Measurements of Cognition in Healthy Older Men With Low Serum Testosterone
Testosterone with or without finasteride doesn't improve thinking skills in older men with low testosterone.
research Testosterone Metabolism in the Skin
Increased DHT formation in skin can cause hair loss, acne, and excessive hair growth, and antiandrogens might treat these conditions.
research Potential Adverse Effects of Long-Term Testosterone Therapy
Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.
research Physical Changes, Laboratory Parameters, and Bone Mineral Density During Testosterone Treatment in Adolescents with Gender Dysphoria
Testosterone treatment effectively causes male physical development in transgender male adolescents but may lead to side effects like acne, higher BMI and blood pressure, lower good cholesterol, and decreased bone density.
research Obstructive Sleep Apnea Due to Endogenous Testosterone Production in a Woman
Removing a testosterone-producing tumor cured a woman's sleep apnea and other symptoms.
research The Use of a Transscrotal Testosterone Delivery System in the Treatment of Patients with Weight Loss Related to Human Immunodeficiency Virus Infection
The transscrotal testosterone patch normalizes hormone levels in men with AIDS and weight loss but does not improve weight, body mass, or quality of life.
research The Effect of Finasteride, a 5 Alpha-Reductase Inhibitor, on Scalp Skin Testosterone and Dihydrotestosterone Concentrations in Patients with Male Pattern Baldness
Finasteride reduces scalp DHT levels, potentially treating male pattern baldness.
research Effect of 5α-Dihydrotestosterone and Testosterone on Apoptosis in Human Dermal Papilla Cells
High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
research Androgen-Dependent Beard Dermal Papilla Cells Secrete Autocrine Growth Factors in Response to Testosterone Unlike Scalp Cells
Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
research Effects of Ginseng Rhizome and Ginsenoside Ro on Testosterone 5α-Reductase and Hair Regrowth in Testosterone-Treated Mice
Ginseng, especially red ginseng, may help regrow hair and block a hair loss-related enzyme.
research Genetic Predictors of Testosterone and Their Associations with Cardiovascular Disease and Risk Factors: A Mendelian Randomization Investigation
Testosterone is linked to cardiovascular risk factors and stroke, but its exact role is unclear.
research Safety of Testosterone Use in Women
Short-term testosterone therapy in women seems safe with few mild side effects, but long-term effects need more research.
research A Combined Regimen of Cyproterone Acetate and Testosterone Enanthate as a Potentially Highly Effective Male Contraceptive
The combination of cyproterone acetate and testosterone enanthate is highly effective in preventing sperm production and could be a good reversible male contraceptive.
research Biochemical Roles of Testosterone and Epitestosterone to 5α-Reductase as Indicators of Male-Pattern Baldness
High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
research Testosterone Therapy for Sexual Dysfunction in Postmenopausal Women
Testosterone therapy can help improve sexual desire and function in postmenopausal women but may cause side effects and is not FDA-approved for this use.
research Overexpression of Aldo-Keto Reductase 1C3 in LNCaP Cells Diverts Androgen Metabolism Towards Testosterone Resulting in Resistance to the 5α-Reductase Inhibitor Finasteride
Too much AKR1C3 enzyme causes resistance to finasteride by increasing testosterone.
research Testosterone 5-Alpha-Reductase Inhibitory Active Constituents of Piper Nigrum Leaf
Black pepper leaf extract contains compounds that can block testosterone effects and promote hair growth.
research Testosterone Metabolism in the Skin: A Review of Its Function in Androgenetic Alopecia, Acne Vulgaris, and Idiopathic Hirsutism Including Recent Studies with Antiandrogens
Testosterone affects hair loss, acne, and excessive hair growth, and antiandrogens can help treat these conditions.
research Anabolic Effects of Testosterone Are Preserved During Inhibition of 5α-Reductase
Testosterone can build muscle and bone without enlarging the prostate when a specific enzyme is blocked.
research Hair Removal in Hirsute Women with Normal Testosterone Levels: A Randomized Controlled Trial of Long-Pulsed Diode Laser vs. Intense Pulsed Light
Both intense pulsed light and long-pulsed diode laser effectively reduced facial hair in women, with no significant difference in satisfaction after 6 months, but intense pulsed light was more painful.
research Testosterone Is a Contraceptive and Should Not Be Used in Men Who Desire Fertility
Testosterone replacement therapy can prevent men from fathering children and should not be used by those wanting to stay fertile.
research Society for Endocrinology Guidelines for Testosterone Replacement Therapy in Male Hypogonadism
Testosterone replacement is recommended for men with low testosterone levels and symptoms of hypogonadism.
research Original Research—Endocrinology: Comparison of the Steady-State Pharmacokinetics, Metabolism, and Variability of a Transdermal Testosterone Patch Versus a Transdermal Testosterone Gel in Hypogonadal Men
The testosterone patch and gel are both effective, but they have different absorption patterns and effects on hormone levels.
research Anti-Androgenic and Hair Growth Promoting Activities of Lygodii Spora (Spore of Lygodium Japonicum): Active Constituents Inhibiting Testosterone 5α-Reductase
Lygodii Spora extract may help treat hair loss by blocking a hair loss-related enzyme and promoting hair growth.
research Inhibition of Rat 5α-Reductase Activity and Testosterone-Induced Sebum Synthesis in Hamster Sebocytes by an Extract of Quercus Acutissima Cortex
An extract from Quercus acutissima bark was found to reduce sebum production and block an enzyme linked to acne.
research Testosterone Therapy in Women: Myths and Misconceptions
Testosterone therapy is beneficial for women's health and does not cause masculinization or liver damage, and it protects the heart and breasts.
research Testosterone Improves Antidepressant-Emergent Loss of Libido in Women: Findings from a Randomized, Double-Blind, Placebo-Controlled Trial
Testosterone may help increase sexual events for women with low libido due to antidepressants.
research Biosynthesis of Dihydrotestosterone by a Pathway That Does Not Require Testosterone as an Intermediate in the SZ95 Sebaceous Gland Cell Line
Dihydrotestosterone can be made from dehydroepiandrosterone in skin cells without needing testosterone.